The power tools used should be well insulated. When using electric tools at the construction site, safety protection measures such as installation of leakage protectors and safety isolation transformers must be taken;
When using angle grinders and portable grinders, you should wear protective glasses, and when grinding, point the sparks toward the side of no one without equipment;
When using a hand electric drill, start first and then touch the work piece. When drilling oblique holes, prevent slipping of the drill. Do not remove iron filings directly by hand during operation;
When using the grinder, start it first, reach the normal speed, and then touch the workpiece. The protective cover of the grinding wheel should be installed intact;
Grinding the workpiece with a grinding wheel saw should be clamped firmly to prevent the saw from bounce and hurt people;
When using the electric hammer, the operator should wear a safety helmet, wear insulated work shoes, and wear a mask and glasses.