| 3. | For collecting sand blasting powder , molding powder , mineral stone powder , plastic pigment powder , medicine powder , cosmetic powder , bakelite powder , wood dust , brass powder , ceramic powder , melamine powder , shoe - sole powder , brake lining powder , clutch powder as well as dust produced from grinding chopsticks and metallic articles 喷砂粉、翻砂粉、矿石粉、水泥粉、碳酸钙粉、塑胶颜料粉、制药粉、化妆品粉、电木粉、木器粉、铜钢器粉、陶器粉、美耐皿粉、鞋底粉、煞车来令粉、离合器粉、筷子、金属研磨等、收尘、集尘用。 |