Date:2023-11-06 13:29:30 Views:218
(1) The main components of the cleaning agent; (2) the physical properties of the cleaning agent; (3) The main characteristics and precautions of cleaning agent; (4) The scope of application of cleaning agents (main uses, dirt objects, etc.); (5) Cleaning conditions, methods and implementation possibilities of cleaning agents; (6) drainage and waste liquid treatment methods; (7) The cost of cleaning agent; (8) Regulations on cleaning, etc.