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 Use electrical
drills appropriate for the drill bit used.
Be sure the start switch is
off and disconnect the plug before attaching and detaching the drill
bits.
Attach the drill bit by pushing
in until it stops at the end of the chucking part of the drill,
and clamp the drill bit tightly so it will not loosen or come off.
Wear safety glasses.
Drill holes vertically against
the material.
Before use, carefully read
the instruction manual for the electrical drill used and always observe
those instructions to ensure safe
and correct operation. |
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