0:11
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General drilling
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0:19
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Two jackhammers with different pitch drilling concrete on the street in New York City, close perspective
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0:17
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Dentist drilling machine
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0:28
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Drill parade of marching military men, boots on concrete floor indoors. Large group marching.
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0:05
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General drilling
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0:02
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Drill behind the wall
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1:34
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Roadwork with grinding machine noise, some workers talking
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0:05
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Electric drill in use
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1:40
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Dentist drilling a cavity
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0:11
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Dentist drilling a cavity.
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