圆形柱，子母口，圈足。盖亦子母口。中心有一小孔。当为装盖纽之用。盖合时

Round column, mother and daughter mouth, ring foot. Gai is also a son and mother mouth. There is a small hole in the center. For the purpose of installing Guinu. When the lid is closed, the lid sits down and the mouth of the can is closed. "Cricket Book" refers to this type of can as "sit-lid type".

Round column, child mother mouth, circle foot. The lid is also the mother's mouth. There is a small hole in the center. When used for the filling of new information. When the lid is closed, the lid sits down, and the cans are called "sitting lids" by The Spectrum.

Round column, mother mouth, ring foot. Cover the mouth of mother and son. There is a small hole in the center. It should be used to cover the button. When the jar is closed, the lid is set and the mouth of the jar is aligned. In cricket spectrum, this kind of jar is called "sitting cover type".<br>