Construction of buildings, driving piles:
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Cement loading, Construction, drum rotation
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Hammer and chisel, wood blows
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Bulldozer working
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Belt sander
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Truck crane works
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Staple gun
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Blows on concrete, Hammer and chisel
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Jamming, Bulldozer approaching
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Electric hand grinder
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Expects to be jammed, Bulldozer starts
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Loosening, tightening the nut, Manual ratchet
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Excavator, engine noise
★★★★★