Self management: 1. shift personnel free coveralls, pants, dust-cap cleaning 2 times every 12 days and make your own arrangements. 2. dust-free room for shoe soles every Friday cleaning 1 times.
Self-management: a shift personnel clean clothing, pants, hat cleaning dust twice every 12 days, make their own arrangements. 2. Cleanroom shoe soles cleaned once every Friday.
Self-control: 1. being in shifts personnel dustlessness clothes and trousers, the dustlessness hat cleans 2 times every 12 days, voluntarily arrangement. The 2. dustlessness room special-purpose shoes clean the shoe sole 1 time every Friday.