Management control systems, sanitary hygiene, especially outsiders. Have a costume hygiene before entering the production area. Have a separate costume party entered the premises. .
External control of system management, hygienic conditions, especially hygiene. an outfit that is hygienic conditions before going to production areas. a split costume of outsiders who come in. .
management control system, especially the third-party harm happy Ajarn have been dress hygienic before entering production areas. there is a separate dress code of a person outside the factory in the area.