Except for a few signs, the colors of prohibition signs are white background, red circle, red bar and black pattern. Embossing rod. The shape of the prohibition sign is round, octagonal and equilateral triangle with downward vertex. There are currently 42 prohibited signs.

2, the national water-saving signs

It is formed by water drops, palms and deformation of the earth. The green circle represents the earth, symbolizing that saving water is an important measure to protect the earth's ecology. The blank part of the sign is like a hand holding up a drop of water. Hand is a variant of the pinyin letter JS, which means saving water, indicating that saving water requires public participation, encouraging people to start from me and saving every drop of water. The hand is like a winding river, symbolizing that water drops converge into a river.

The combination of water drops and hands is like the central part of the word "heart" (except for two points), and the water drops are in the middle of the word "heart", which shows that saving water requires everyone to keep in mind and care hard to save every drop of precious water resources.

3. Olympic symbols

It consists of five Olympic rings, blue, black, red, yellow and green. The rings are nested from left to right, with blue, black and red rings above and yellow and green rings below. The overall shape is a regular trapezoid with a small bottom. The five rings in different colors represent the five continents participating in the modern Olympic Games-Europe, Asia, Africa, Oceania and America.

4. Mercedes-Benz logo

The Trident Star of Mercedes-Benz symbolizes the desire to conquer land, sea and air. This logo was produced after the merger of Daimler and Mercedes-Benz. Daimler's original trademark is three-pointed star, and Mercedes-Benz's trademark is double-circle "Mercedes-Benz". After the merger of the two, Daimler-Benz's trademark is a three-pointed star in a single circle.

Extended data:

The Olympic symbol symbolizes that athletes from five continents and all over the world gather at the Olympic Games, which fully embodies the content of Olympism and the theme of "Olympic family" of "all countries-all nationalities". It not only represents the unity and friendship of athletes from five continents under the Olympic flag, but also emphasizes that all athletes should meet each other in a fair and frank sportsmanship.

The colors of the Olympic rings: blue, yellow, black, green and red, have become symbols of the five continents. With the passage of time and the development of the Olympic movement, the interpretation of the Olympic symbol has also changed. According to the supplementary explanation of 199 1 the latest edition of the Olympic Charter, the meaning of the Olympic flag and the five rings not only symbolizes the unity of the five continents, but also emphasizes that all participating athletes should meet each other in a fair and frank sportsmanship.

References:

Baidu Encyclopedia _ Prohibition? Baidu Encyclopedia _ National Water Saving Symbol Baidu Encyclopedia _ Olympic Symbol

Baidu encyclopedia _ Mercedes-Benz trademark