Maintenance and repair work can only be carried out when the equipment is not in use. During maintenance and repair, the main power supply and insurance must be cut off to prevent accidental use.
Maintenance and repair work can only be carried out when the equipment is not in use. During maintenance and repair, the total power supply and insurance must be cut off to prevent accidental use.
Maintenance and repair work can only be carried out when the equipment is not in use. In the process of maintenance and repair, the main power supply and insurance must be cut off to prevent accidental use.<br>