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Types of chopsticks There are many different kinds of chopsticks. From top to bottom: Plastic chopsticks from Taiwan, porcelain chopsticks from mainland China, bamboo chopsticks from Tibet, palmwood chopsticks from Indonesia (Vietnamese style), stainless flat chopsticks from Korea (with a matching spoon), a Japanese couple's set (two pairs), Japanese child's chopsticks, and disposable hashi (in wrapper)
There are a number of types of both flat and lock washers. Flat washers come in common flat, United States Standard (USS) flat, Society of Automotive Engineers (SAE) flat, fender flat, dock flat and other styles. Lock washers come in common lock, high collar lock, external tooth lock, internal tooth lock and others.