1. Welders should dress in accordance with safety regulations
2. The tools used by welders should be packed in tool bags.
3. There are reliable anti-scalding measures on the surface of the electric heater.
4. The erection of high-altitude operations should comply with safety regulations, and the location should be suitable for welding operations.
5. The electric tool junction box should have a leakage protection device.
6. Wear protective glasses when using the grinder.
