Chalk, clockwork, unused pencils, glass bottles such as cherry cans, cans, pen holders, toilet paper, stumps, bamboo tubes, lipstick, tissue boxes, chimneys and so on.

A cylinder consists of two bottom surfaces and one side surface.

Extended data:

1. Definition of rotation: A rectangle rotates clockwise or counterclockwise on one side, and the space it passes through is called a cylinder.

2. Translation definition: A circle whose bottom moves up or down a certain distance, and the space it passes through is called a cylinder.

3. Properties: The two circular surfaces of a cylinder are called the bottom surface, and the surrounding surfaces are called the side surfaces. The cylinder consists of two bottom surfaces and one side surface; The two bottom surfaces of a cylinder are exactly the same two circular surfaces. The distance between the two bottom surfaces is the height of the cylinder; The side surface of the cylinder is a curved surface, and the development diagram of the side surface of the cylinder is a rectangle, a square or a parallelogram (diagonal cutting).

References:

Cylinder-Baidu Encyclopedia