Studious. Because the flat knitting machine for swimwear has no knowledge requirements for individuals, it is mainly to nail trademarks on the flat knitting machine and lock the sewing machine edge. Simply put, it is to repeat the work on the assembly line and be eager to learn. Swimsuit is suitable for swimming, surfing, water skiing and other sports, as well as leisure activities such as sunbathing. Fabric material In the swimsuit market, there are three commonly used swimsuit fabrics, DuPont Lycra, nylon and polyester.