What is the maintenance of a silent room

1. When the staff is using the power supply, the voltage is less than 220V;
2. It is prohibited to forcefully impact or use hard objects to collide with the walls of the silent room;
3. It is prohibited to modify the structure of the mute room without authorization to avoid damaging the firmness of the mute room;
4. Prohibit the use of high-temperature, humid, explosive, flammable, and highly corrosive materials in the silent room;
5. When working in the silent room, please keep the room clean and tidy;
6. Regularly add lubricating oil to the bearings of the soundproof door in the silent room to maintain flexible rotation;
7. Regular inspection and maintenance by staff, cleaning and upkeep.