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Dr. Md Rushad Rahman
এমবিবিএস(আরপিএমসি)
,
পিজিটি(মেডিসিন)
For faster drilling, use a drill press rather than a hand drill. However, it’s still important that you set the drill to the appropriate speed based on the type of metal and the size of the hole you’re trying to make. Consult your user’s manual to select the correct speed.
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