(1) The electric tools used should be well insulated. When using electric tools on the construction site, safety measures such as earth leakage protection and safety isolation transformer must be taken;
(2) The use of angle grinder, portable grinder, should wear protective glasses, grinding Mars toward no one side without equipment;
(3) The use of hand electric drill, should first touch the workpiece after start-up, drilling oblique hole should prevent the slippery drill, the operation may not directly remove the iron by hand;
(4) The use of grinder should be started, to reach normal speed, then contact with the workpiece. Wheel guard should be installed intact;
(5) the use of grinding wheel sawing the workpiece should be firmly clamped firmly to prevent sawing bombs wounding;
(6) When using a hammer, the operator should wear a helmet, wear insulated work shoes and wear masks and glasses.
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