Table tennis competition rules are the primary content and foundation of table tennis refereeing. Whether you can truly understand and experience them is directly related to the quality of learning the refereeing method. The following are the rules of table tennis that I have compiled for you. You are welcome to read them.

Introduction to table tennis rules:

1. Singles table tennis rules

1. This competition will be a knockout, 11 points The preliminary, semi-finals and finals adopt a best-of-3-game system;

2. The first round of the competition is divided into groups by drawing lots. If one person has a bye, they will directly enter the next round;

3. The winner of the first round will be drawn again and drawn from letter numbers. The winner advances to the next round, and the bye group advances directly;

4. Before the start of the game, both sides draw lots to determine the right to serve. The winner chooses to serve or receive the serve, and the receiver gets the right to choose the venue. The game ends. The front serving court is fixed;

5. In a game, if each player only serves 2 points (balls), the right to serve should be exchanged immediately, and so on until the end of the game. The first player to score 11 points in each game is the winner; but when the score reaches 10 ties, the first player to score 2 more points is the winner. After the rotation of serving method is implemented after 10 draws, each player no longer serves 2 balls and then exchanges the right to serve. Instead, each player only serves 1 ball and then exchanges the right to serve. The first one to score 2 more points is the winner. When either side scores 5 points first in the deciding game, it shall switch courts with the other party;

6. When serving, the table tennis ball is valid as soon as it is released;

7. No obstruction is allowed when serving. And throw the ball up almost vertically with your hands, without causing the ball to rotate;

8. When serving, the table tennis ball should first contact the server's table, and then touch the receiving table. The ball on the table is dead, and the player who receives the serve gets one point;

9. When serving, when the ball drops from the highest point of the throw, the server can hit the ball;

10 .When serving, the table tennis ball touches the net and lands on the receiving side's table. The serve is invalid. No points will be scored if the ball is doubled.

11. When serving, the table tennis ball first touches the server's table and does not touch the ball. If the table tennis ball touches the corner of the receiving side's table, it is a good ball, and the ball is valid;

12. During the game, if the table tennis ball touches the net, it is a good ball, and the ball is valid;

13 .During the game, if the table tennis ball touches the net rack, it becomes a dead ball, and the opponent gets one point;

14. During the game, the table tennis ball touches the net twice in a row (it does not fall on the table tennis table after touching the net, If the ball touches the net again), the ball is dead and the opponent gets one point;

15. After each game, any player has the right to request a rest period of no more than two minutes.

16. At the beginning of the next game, the two sides exchange venues and serving rights;

17. During the game, if the hand other than the clapping hand touches the table, the opponent will score one point. This confrontation End;

18. Before the opponent catches the ball, all parts of the body touch the table to move the ball. The opponent scores one point and the confrontation is over;

2. Referee of table tennis competition

1. If the referee doubts the correctness of a certain serving action of the server, and he is not convinced that the serving action is illegal, the referee may warn the server when this phenomenon occurs for the first time in an abnormal game.

2. In the same game, if the correctness of the server's serving action is again doubted, regardless of whether it is for the same reason or not, no further warning will be given and one point will be awarded. ;

3. No matter whether it is the first time or at any time, as long as the server obviously fails to serve in accordance with the legal service regulations, he will be disqualified by one point;

4. Competitors If a player is unable to strictly abide by certain regulations on legal serving due to physical injuries, the referee may make a decision to exempt the player from execution, but must explain this to the referee before the game;

3. No points will be awarded If the following circumstances occur in a round, a re-serve shall be awarded

1. If the ball is served when the server or partner is not ready, and the receiver does not attempt to hit the ball;

2. Due to Interference beyond the player's control occurred, causing the player to fail to legally catch the ball and fight back or to comply with the rules;

　3. The referee announced a suspension of the game. For example: ① Because it is necessary to correct the order of serving and receiving the ball or defensive position errors; ② Because it is necessary to implement the rotation service method; ③ Because of warning or punishing players; ④ Because the competition environment is disturbed and the result of the round may be affected (such as the entry of an outside ball)

　4. In any case, all points scored before the error is discovered are valid.

Table Tennis Competition Rules (Full Version)

1) Table Tennis Competition Rules:

1.1 Table

1.1.1 Table The upper surface of the ball is called the playing surface, which should be a rectangle parallel to the horizontal plane, 274 meters long, 1.525 meters wide, and 76 centimeters high from the ground.

1.1.2 The playing surface does not include the sides of the table top.

1.1.3 The playing surface can be made of any material and should have consistent elasticity, that is, when a standard ball falls to the surface from a height of 30 centimeters from the surface, the bounce height should be approximately 23 centimeters.

1.1.4 The playing surface shall be uniformly dark and matte, with a 2 cm wide white border along each 2.74-meter edge of the playing surface and a 2 cm wide white edge along each 1.525-meter edge of the playing surface. Each has a 2cm wide white end line.

1.1.5 The playing surface is divided into two equal table areas by a vertical net parallel to the end line. The entire area of ??each table area should be a whole.

1.1.6 During doubles, each table area should be divided into two equal "half areas" by a 3 mm wide white center line. The center line is parallel to the side lines and shall be considered part of the right half.

1.2 Net device

1.2.1 The net device includes the net, suspension ropes, net posts and the clamp part that fixes them on the table.

1.2.2 The net should be hung on a rope, with both ends of the rope tied to upright net posts 15.25 cm high. The distance between the outer edge of the net post and the outer edge of the sideline is 15.25 cm.

1.2.3 The top of the entire net should be 15.25 cm away from the playing surface.

1.2.4 The bottom edge of the entire net should be as close to the playing surface as possible, and its two ends should be as close to the net as possible. column.

1.3 Ball

1.3.1 The ball should be a round sphere with a diameter of 38 mm.

1.3.2 The ball weighs 2.5 grams.

1.3.3 The ball should be made of celluloid or similar materials, white, yellow or orange, and matte.

1.4 Racket

1.4.1 The size, shape and weight of the racket are not limited, but the bottom plate should be flat and hard.

1.4.2 The thickness of the bottom plate should be at least There is 85% natural wood. The adhesive layer to strengthen the base plate can be made of fiber materials such as carbon fiber, fiberglass or compressed paper. Each adhesive layer does not exceed 7.5 or 0.35 mm of the total thickness of the base plate.

1.4.3 The racket surface used for hitting the ball should be covered with a layer of ordinary particle glue with particles facing outward, and the thickness of the adhesive should not exceed 2 mm; or with sponge glue with particles facing inward or outward. The covering, together with the adhesive, shall not exceed 4 mm in thickness.

1.4.3.1 Ordinary granular glue is a layer of natural rubber or synthetic rubber without foam, the granules of which must be no less than 4 mm per square centimeter An average density of 10 grains and no more than 50 grains distributed over the entire surface.

1.4.3.2 Sponge rubber? A layer of foam rubber covered with a layer of ordinary granular rubber. The thickness of the general granular rubber does not exceed 2 mm.

1.4.4 The covering should cover the entire surface of the racket, but should not exceed its edges. The part near the handle and the part held by the fingers may not be covered, or they may be covered with any material.

1.4.5 The base plate, any interlayers, coverings and adhesive layers in the base plate should be a whole body with uniform thickness.

1.4.6 Both sides of the racket, whether covered or not, must be matte, with one side in bright red and the other in black. The binding on the edge of the body should be matte and not white.

1.4.7 Slight differences in the integrity and color consistency of the racket due to accidental damage, wear or fading. It is allowed as long as it does not significantly change the performance of the racket surface.

1.4.8 When a player needs to change his racket at the beginning of the game or during the game, he must show the opponent and the referee the racket he is going to use and allow them to inspect it.

1.5 Definition

1.5.1 Round?: A period of time during which the ball is in play.

1.5.2 The ball is in a game state, from the moment when the ball is served, before it is intentionally thrown upwards, it rests on the palm of the hand that is not holding the clap. It is judged that the round will be scored or the ball will be re-served.

1.5.3?Re-serve?: A round in which no points will be awarded.

1.5.4? One point?: The round in which points are awarded.

1.5.5?Clapping hand?: The hand holding the racket.

1.5.6? Non-holding hand?: The hand that is not holding the racket.

1.5.7 To hit the ball, touch the ball with the racket in your hand or the part below the wrist of the batting hand.

1.5.8 Block: After the opponent hits the ball, he is in a The ball in play has not yet touched the own court and has not exceeded the playing surface or its end line, that is, it has touched the players of the own team or anything worn by them.

1.5.9 Server: In a round, the player who hits the ball first.

1.5.10 Receiver: In a round, the player who hits the ball second The player of the ball.

1.5.11 Referee: A person designated to manage a game,

1.5.12 Referee Assistant: Designated to assist the referee in certain aspects

1.5.13 Any item a player wears or carries, including any item he wears or carries at the start of a round.

1.5.14 If the ball passes under or outside the net device that protrudes outside the table, or if the ball is hit back over the net and then rebounds over the net, it shall be deemed to have passed or bypassed it. ?Net device.

1.5.15 The “end line” of the table includes the infinite extension lines at both ends of the end line.

1.6 Legal serve

1.6.1 When serving, the ball should be placed on the palm of the hand that is not holding the clapping hand, with the palm open and flat. The ball shall be at rest, behind the server's end line and above the level of the playing surface.

1.6.2 The server must throw the ball up almost vertically with his hands without causing the ball to rotate, and make the ball rise no less than 16 centimeters after leaving the palm of the hand not holding the clapping hand.

1.6.3 When the ball drops from the highest point of the throw, the server can hit the ball so that the ball first touches his own court, then goes over or around the net device, and then touches the receiver. Player's table area. In doubles, the ball should touch the right half of the server and then the receiver.

1.6.4 From the last moment when the ball is stationary before tossing to the time of hitting the ball, the ball and racket should be above the level of the playing surface.

1.6.5 When hitting the ball, the ball should be behind the server's end line, but not beyond the part of the server's body (other than arms, head or legs) that is farthest from the end line.

1.6.6 When a player serves, he has the responsibility to let the referee or assistant referee see whether he is serving in accordance with the legal service regulations.

1.6.6.1 If the referee suspects that the server The correctness of a certain serving action, and neither he nor the assistant referee is convinced that the serving action is illegal. When this phenomenon occurs for the first time in a game, the referee may warn the server without awarding a point.

1.6.6.2 In the same game, if the correctness of the player's serving action is doubted again, no matter whether it is for the same reason or not, no warning will be given and one point will be lost.

1.6. 6.3 Regardless of whether it is the first time or at any time, if the server clearly fails to serve in accordance with the legal service regulations, he will be awarded one point without warning.

1.6.7 When a player is unable to strictly abide by certain regulations on legal serving due to physical injuries, the referee may decide to waive the rules, but must explain this to the referee before the game.

1.7 Legal counterattack

1.7.1 After the opponent serves or counterattacks, the player of the team must hit the ball so that the ball goes directly over or around the net device, or touches behind the net device , and then touch the opponent's area.

1.8 Game order

1.8.1 In singles, first the server serves the ball legally, then the receiver serves the ball legally, and then the two alternately return the ball legally.

1.8.2 In doubles, first the server serves legally, then the receiver legally returns the ball, then the server's partner legally returns the ball, and then the receiver's partner legally returns the ball. After that, Athletes take turns to fight back legally in this order.

1.9 Re-serve

1.9.1 A re-serve shall be awarded if the following circumstances occur in the 1.9.1 round:

1.9.1.1 If the ball served by the server passes over or around When passing the net device, it touches the net device and thereafter becomes a legal serve or is blocked by the receiving player or his partner.

1.9.1.2 If the ball is played when the receiver or his partner is not ready: and neither the receiver nor his partner attempts to hit the ball.

1.9.1.3 Due to interference beyond the player’s control, the player was unable to serve legally. Fight back legally or follow the rules.

1.9.1.4 The referee or deputy referee suspends the game.

1.9.1.5 In doubles, players serve and receive incorrectly.

1.9.2 The game may be suspended under the following circumstances:

1.9.2.1 Due to the need to correct errors in the order or position of serving and receiving;

1.9.2.2 Due to the implementation of the rotational serving method;

1.9.2.3 Due to warning or punishment of players;

1.9.2.4 Due to interference with the competition environment, the result of the round may be affected.

1.10 One point

1.1O.1 Except for the round in which a re-serve is awarded, the player will get one point in the following situations:

1.10.1.1 The opponent’s player fails to Legal serve;

1.1O.1.2 The opponent's player fails to legally fight back;

1.1O.1.3 After the player serves or fights back, the ball touches any other player before the opponent hits the ball. Anything other than the net device;

1.10.1.4 After the opponent hits the ball, the ball crosses the own end line without touching the own court;

1.10.1.5 The opponent blocks;

1.10.1.6 The opponent hits the ball consecutively;

1.10.1.7 The opponent hits the ball with a racket surface that does not comply with the provisions of 1.4.3;

1.10.1.8 The opponent’s player or anything he wears that moves the table;

1.10.1.9 The opponent’s player or anything he wears touches the net device;

1.10.1.10 The opponent’s player touches it without clapping his hands The playing surface;

1.10.1.11 During doubles, the opponent’s players hit the ball in the wrong order;

1.10.1.12 When the rotation service method is implemented, the receiving player or his doubles partner, including the receiving player In one blow, 13 legal counterattacks were completed.

1.11 A game

1.11.1 In a game, the first team to score 11 points is the winner. After 10 draws, the first team to score 2 more points is the winner. Square.

1.12 A game

1.12.1 Each game consists of an odd number of rounds.

1.12.2 A game shall be played continuously. However, between games, any player has the right to request a rest period of no more than two minutes.

1.13 The order of serving, receiving and exchanging positions

1.13.1 Selecting the right to serve, receive and this side, which side shall be determined by drawing lots, and the winner can choose Serve first or receive serve first, or choose which side comes first.

1.13.2 When a player of one side chooses to serve or receive first, or chooses to play first, the player of the other side shall have the right to make another choice.

1.13. 3. After every 2 points are scored, the receiving side becomes the serving side, and so on, until the end of the game, or until the score of both sides reaches 10 points or the rotation of serving method is implemented. At this time, the order of serving and receiving is still different. Change, but each player only serves 1 point in turn.

1.13.4 In the first game of doubles, the first server will determine the first server, and then the first receiver will determine the first receiver. In subsequent games, the first server will be the first server. After the server is determined, the first receiver should be the player who served to him in the previous game.

1.13.5 In doubles, every time the serve is changed, the player in front of the receiver should become the server, and the partner of the server in front should become the receiver? 1.13.6 The first serve in a game The side of the game shall receive the serve first in the next game on that court. In a doubles decider, when one side scores 5 points first, the receiving side shall switch the order of receiving the serve.

1.13.7 In a game, the team playing in a certain position should change to another position in the next game.

In the deciding game, when one side scores 5 points first, the two sides should exchange positions.

1.14 Errors in the order and direction of serving and receiving serve

1.14.1 Once the referee discovers an error in the order of serving and receiving serve, he should immediately suspend the game and proceed to the start of the game. In the established order, the player who should serve or receive the serve shall serve or receive the serve according to the score on the court; in doubles, the order established by the side with the first right to serve in the game when the error is discovered shall be corrected and the game shall continue.

1.14.2 Once the referee finds that the players should have changed their positions but have not, they should immediately suspend the game and make corrections according to the correct position of the players according to the score established at the beginning of the game. , and continue the game.

1.14.3 In any case, all scores before the error is discovered are valid.

1.15 Rotation of serving method

1.15.1 If a game has not ended until 15 minutes (except when both sides have scored at least 19 points), or at any time before that At the request of both players, a rotational serving method should be implemented.

1.15.1.1 When the time limit expires and the ball is still in play, the referee should immediately suspend the game. The server whose round was suspended serves and the game continues.

1.15.1.2 When the time limit expires and the ball is not in play, the ball should be served by the receiving player in the previous round and the game continues.

1.15.2 After that, each player takes turns serving one point until the end of the round. If the receiving side makes 13 legal counterattacks, the serving side will lose one point.

1.15.3 Once the rotational service method is implemented, or a game lasts for 10 minutes, the rotational service method must be implemented in the remaining games of the game.

Note:

Intermission

1. The game shall continue unless requested by one player.

2. Between rounds, there shall be no more than 1 minute of rest time;

3. In each round, positions will be exchanged after every 6 points or in the final round. There was a brief moment to wipe away the sweat.

ITTF’s new regulations on serving. Articles 2.6.1, 2.6.2 and 2.6.5 in the table tennis competition rules will be replaced by the following rules: This modification will be implemented on September 1, 2002. .

1. The ball can be served only when it rests in the player's open and flat palm.

2. From the moment the ball leaves the player's hand until the ball is hit, the ball should be above the height of the table plane and behind the server's end line.

3. When the ball is hit, no part of the body or clothing of the server or his doubles teammate may be within the range between the ball and the net. The purpose of this proposed change is to prevent hidden serves out of sight of the receiving player.

1) From the time the ball is thrown to the time it is hit, it must remain above the height of the table.

2) No part of a player’s body or clothing is allowed to enter the triangle area formed by the net and the imaginary line. (The imaginary line is formed by: when the ball is hit, the ball and the ends of the net are formed).

Introduction to the new rules for serving without obstruction

The title of the proposal passed by the ITTF is the "Serve in front of the body" proposal. Its content is stated as: When an athlete serves, the contact between the ball and the racket There must be no obstruction in the triangular area formed by the connection between the point and the posts on both sides of the net. The main purpose of this regulation is to limit the covering movements of the player's body and arms when serving, so that the receiving side can see the action state of the server at the moment of release, reduce the difficulty of judgment when receiving the serve, and help increase the number of rounds in the game.

2) International competition rules:

2.1 Scope of application of rules and regulations

2.1.1 Type of competition

2.1.1.1? International competitions are competitions in which athletes from more than one association participate.

2.1.1.2 International competition, that is, a competition between teams from different associations.

2.1.1.3 Open competition, that is, a competition in which athletes from all associations can register to participate.

　2.1.1.4 "Restricted competition", that is, a competition that is limited to athletes of specific groups except age groups.

2.1.1.5 Invitational competitions are competitions that are limited to individually invited and designated athletes.

　2.1.2 Scope of application

　2.1.2.1 Except as otherwise provided in 2.1.2.1.1, the rules will apply to world, continental and Olympic competitions, open competitions and international competitions , unless otherwise agreed upon by the participating associations.

2.1.2.1.l The Board of Directors may authorize the organizer of the Open to adopt experimental rules issued by the Executive Committee.

　2.1.2.2 It is recommended that the competition rules apply to all other international competitions and it is recommended that associations adopt these competition rules when organizing domestic competitions.

2.1.2.3 International competition regulations shall apply to the following competitions:

2.1.2.3.1 World and Olympic competitions, unless other regulations are approved by the Council and notified in advance Each participating association;

2.1.2.3.2 Continental competitions, unless the relevant continental federation approves other regulations and notifies each participating association in advance;

2.1.2.3. 3 Open Championships (2.6.1.2), unless other regulations are approved by the ITTF and agreed by the participants in accordance with Article 2.1.2.4;

2.1.2.4 held without complying with any of the provisions of these Regulations of the Open; the nature and scope of the changes should be stated in the registration form; filling out and submitting the registration form shall be deemed as the applicant’s agreement to the competition conditions, including the changed content.

　2.1.2.5 It is recommended that these competition regulations apply to all other international competitions that can comply with the regulations.

　2.1.2.5.1 Regional competitions other than the continental championships may be held in accordance with the rules formulated by the relevant regional authorities from time to time.

2.1.2.5.2 International limited competitions and invitational competitions hosted by non-member organizations, as well as authorized international competitions, can be held in accordance with the rules established by the sponsoring organization or agreed upon by ***.

2.1.2.5.3 Competitions limited to athletes from one association may be held in accordance with the rules established by that association.

　2.1.2.6 Generally, these rules and international competition regulations are considered to be applicable to all international competitions, unless changes are agreed in advance or explicitly written into the published competition regulations.

　2.1.2.7 Detailed description and understanding of the regulations, including description of equipment specifications, shall be published in the form of "Technical Documents" and "Referee's Manual" approved by the Board of Directors.

2.2 Equipment and Competition Conditions

2.2.1 Competition Equipment

2.2.1.1 The registration form or competition guide for the Open Competition should specify the details of the table to be used. Brand and color, the brand of the net device, and the brand and color of the ball; the selection of equipment should be selected by the association where the competition is located from the brands and models currently approved by the ITTF.

2.2.1.2 Approval or licensing of competition equipment shall be implemented by the Equipment Committee on behalf of the Council; if at any time it is found that the continued production or use of a product is harmful to table tennis, the approval of the equipment shall be cancelled. approve.

2.2.1.3 The covering of the racket surface should be of a brand and model currently approved by the ITTF, and must have a clearly visible trademark model and International Table Tennis Federation (ITTF) logo on its edge. mark.

2.2.1.4 The ball board covering can be bonded with pressure-sensitive tape or other ITTF-approved adhesives; if any player’s ball board is found to contain prohibited adhesive ingredients , will be disqualified from participating in the on-site competition and reported to their association.

　2.2.2 Clothing

2.2.2.1 Competition uniform generally includes short-sleeved sweatshirts, shorts or skirts, socks and sneakers; other clothing, such as half or full sports suits Uniforms must not be worn during competition, except with the permission of the referee.

　2.2.2.2 Short-sleeved jerseys, shorts or skirts may be of any color, but their primary color shall be significantly different from the color of the game ball. Exceptions include sleeves and collars of short-sleeved sweatshirts.

2.2.2.3 The competition uniform may have:

2.2.2.3.1 Badges or words on the front or side, with a total area not exceeding 64 square centimeters, except for advertisements;

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2.2.2.3.2 The number or words on the back of the jersey are used to identify the athlete, the athlete's association, or in the case of club competition, the athlete's club;

2.2.2.3 .3 Advertisements in accordance with clause 2.2.4.6.

2.2.2.3.4 The ITTF mark approved by the ITTF is ?ITTF?.

2.2.2.4 Priority should be given to wearing the organized jersey in the middle position on the back of the athlete's jersey. The number bib designated by the athlete is used to identify the athlete and is not an advertisement. This bib shall be rectangular in shape, with an area not larger than 600 square centimeters (A4).

2.2.2.5 Any markings or decorations on the front or sides of the sportswear and any items worn by the athlete on the competition uniform, Such as jewelry decoration, etc., should not be too conspicuous or reflective, so as to affect the other party's line of sight.

2.2.2.6 Clothing shall not contain designs or words that may cause displeasure or discredit the sport.

2.2.2.7 Issues regarding the legality and acceptability of competition uniforms shall be decided by the chief referee. However, the chief referee may not deny the pattern approved by the ITTF.

2.2.2.8 In a team competition, doubles consisting of athletes from the same team or athletes from the same association, the style and color of clothing should be consistent, except for shoes and socks.

2.2.2.9 Athletes from both sides of the competition should wear jerseys of obviously different colors so that spectators can easily distinguish them.

　2.2.2.10 When athletes or sports teams from both sides wear similar colors and neither team is willing to change, a drawing of lots will determine which side must change.

2.2.3 Competition Conditions

2.2.3.1 The space of the competition area should be no less than 14 meters long, 7 meters wide and 4 meters high.

2.2.3.2 The competition area should be surrounded by a 75cm high dark-colored baffle to separate it from adjacent competition areas and spectators.

2.2.3.3 In world-class competitions, the illumination measured from the table height shall not be less than 1000 lux, and in other competitions shall not be less than 600 lux; the illumination in other parts of the competition area shall not be lower than the competition table lighting. Half the degree.

2.2.3.4 The distance between the light source and the ground shall not be less than 4 meters.

2.2.3.5 The area around the venue should generally be dark, and there should be no bright light sources or uncovered sunlight coming through the windows.

　2.2.3.6 New floors cannot be too light in color or highly reflective and the surface must not be brick, cement or stone; in world-class competitions and Olympic Games, the floor should be wooden or ITTF-approved A certain brand and type of removable plastic flooring.

　2.2.4 Advertisements

　2.2.4.1 In the competition area, advertisements can only be displayed on the prescribed equipment and devices, and advertisements cannot be set individually.

2.2.4.2 Fluorescent or luminous colors are not allowed anywhere in the competition area.

2.2.4.3 The words and markings on the inside of the baffle are not allowed to be white or yellow, nor should they exceed two colors; their total height should be limited to 40 centimeters.

2.2.4.4 Advertisements on the table can only be displayed on both sides and both ends of the table, and the total area of ??each advertisement must not exceed 200 square centimeters. Permanent advertising is limited to the manufacturer's trademark, mark or name, and one advertisement can be placed on each half side, but the organizer may allow other temporary advertisements, one advertisement can be placed on each side and each end.

2.2.4.5 The total area of ??any advertisement on the referee’s table or other equipment in the competition area shall not exceed 750 square centimeters

2.2.4.6 The floor of each half of the competition area There can be one advertisement on the table, the area shall not exceed 3 square meters, and the distance from the table or baffle shall not be less than 2 meters; in addition, the area of ??the manufacturer's name and logo shall not exceed 750 square centimeters. All of the above should be the same color as the floor, but can be lighter or darker.