These eight words can only be used to prevent dust. "Publicity" refers to publicity and education to understand the health hazards of dust and mobilize the enthusiasm of all parties in the prevention and treatment of pneumoconiosis. "Leather" refers to the technical innovation of production technology and equipment, so that production can be mechanized, continuous, streamlined, sealed and automated, and the operation can be separated from dust-producing equipment as much as possible. "Water" refers to wet operation, and spraying drinks to prevent dust from flying is a simple, economical and effective dust-proof method. If terrazzo is used instead of dry grinding, the foundry industry can water the site before unpacking and sand cleaning to keep it moist. "Dense" means that the productive dust is sealed and then the dust is pumped away by ventilation. "Wind" refers to ventilation and dust removal, but the dusty air in the ventilation system can only be discharged into the atmosphere after dust removal to avoid environmental pollution. "Protection" refers to personal protection. Workers exposed to dust should use protective equipment and wear dust masks or helmets to prevent dust from entering the human respiratory tract. "Management" refers to strengthening dust prevention management, establishing and perfecting dust prevention system, and updating and maintaining dust prevention equipment in time. "Inspection" refers to the physical examination of workers exposed to dust within the specified time, monitoring the concentration of dust in the environment and urging improvement.
The principle is to replace high-dust materials with low-dust and dust-free materials, and to replace high-dust equipment with dust-free equipment and low-dust equipment.