what is mean by drilling
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Drilling is a cutting process that uses a drill bit to cut a hole of circular cross-section in solid materials. The drill bit is usually a rotary cutting tool, often multi-point. The bit is pressed against the work-piece and rotated at rates from hundreds to thousands of revolutions per minute.
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to make a hole in something with a drill .
a drill press is a machine that turns and advances a rotary tool into a work piece
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