The worker’s body is moving by the sound of the machine. Each step of the body are working by operate the machine that are single, boring, and have effective operate way. It’s not easy and funny work. And in factory area is always have no voluntarily younger want to do those jobs. People in factory are always tired like a dog. They are lonely in noisy, exhaust energy to lose body’s existence feeling and to forget unfunny rhythmic gymnastics.This work is for my parent and many black dogs in factory area