... industry, medicine powder, liquid, paint, pigments, cosmetics, oil, resin, ceramic slurry, clay slurry, lime, refractory powder at the end, magnetic ... , before the start:(1) Check the coarse mesh and fine mesh for damage(2) whether each set of locking ring ... after use: clean after each usage.Regular maintenanceRegular inspection coarse, fine mesh and spring without fatigue and damage, all parts of ...