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The use of electric drill should pay attention to what matters
2021-03-19 22:28:48

1) The diameter of the drill can not exceed the allowable value of the drill.

2) The drill bit must be clamped with a key. Do not use other tools to knock the drill chuck.

3) When drilling force is not allowed too much to prevent motor overload. If the speed is reduced, immediately turn off the power supply.

4) sporadic pieces must be firmly in the fixture.

5) No gloves are allowed.