First of all, in order to ensure the cleanliness of the dust-free workshop (clean room), unnecessary supplies are not allowed to be moved into the clean room. On the one hand, these supplies will affect the stability of the indoor air flow, and at the same time, they will increase the Eliminates the possibility of dust accumulation and dust generation in the clean room. Supplies that must be moved into the clean room should be kept to a minimum and placed in a place where they will have little or no impact.
Secondly, in order to reduce the amount of dust generated in the clean room, supplies are generally made of stainless steel, electrostatically sprayed steel plates, or other materials that generate little dust (cartons and other product items are prohibited from being brought in). The objects are simple in structure and do not adopt angular forms. For example: the surface of the table is made of low dust-generating materials, there are no drawers, shelves, or railings, and rubber covers are added to the feet. The back of the chair should be vertical, without armrests, the sitting height should be appropriate, and the four legs should have rubber covers.
Do not use paper that generates dust when taking records in a clean room, but use paper that generates less dust. Do not use pencils, erasers, or pens but plastic ballpoint pens. There are generally no notice boards and note boards in clean rooms. If necessary, white boards, insulating pens and special erasers should be used for notice boards in clean rooms.
Third, workers’ cigarettes, matches, lighters, food and beverages, chewing gum, gems, decorations, cosmetics, toilet paper, handkerchiefs, wallets, keys, watches, notebooks, etc. are not allowed to be brought into the dust-free facility indoor. All materials, equipment and supplies, measurements and other items that have not been purified in accordance with regulations, as well as unauthorized radioactive materials, are not allowed to enter the clean room.