(1) the electric tools used should be well insulated. When the electric tools are used in the construction field, the safety protection measures must be installed, such as leakage protector, safety isolation transformer, etc.;

(2) the use of angle grinder, grinders, should wear protective glasses, when Mars will toward unmanned equipment side;

(3) the use of hand drill, should be started after contact with the workpiece, drilling oblique hole should prevent slippery drilling, operation can not directly remove iron filings with hand;

(4) the sand turbine should be started before reaching the normal speed and then contact the workpiece. The grinding wheel shield should be well installed;

(5) saw mill cut work should be to put stability using the grinding wheel, to prevent sawing up;

(6) using Dianchui, the operator should wear a helmet, wear insulating shoes, and the need to wear a mask and glasses.