In some large hardware factories, it is generally indoor environment, and the ground has flooring, so there is rarely dust, but it is also inevitable. In some hardware factories with poor environmental measures, dust pollution is generated. Dust pollution is harmful for electric gourds. Dust is because the dust on the ground is in the wind, artificially driven, and other open pollution sources that enter the atmosphere, which is an important part of the total suspended particles in the environmental air. Dust can make the air dirty and affect the environment. It is also harmful to the human body, such as bronchitis and lung cancer. In addition, dust can cause dust to enter the inside of the electric gourd, which will cause the wear of internal parts. It can be seen that the dust is damaged in terms of people, the environment and the machine. In order to avoid these dangerous situations, the hardware factory or other factories that may cause the dust environment must be cautious. Take environmental protection measures to reduce the probability of dust generated.