Floor polisher:
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Jamming, Bulldozer approaching
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Belt sander
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Electric saw
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Excavator starts, leaves
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Loosening, Manual ratchet, tightening the nut
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Bulldozer moving
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Electric hand grinder
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Leaves, The bulldozer starts
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Construction of buildings, driving piles
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Hammering a brick wall
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Knocking a hammer indoors with an echo
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Tool box dragged across the floor
★★★★★