Construction of buildings, driving piles, environmental sounds:
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Screwdriver
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Grinder tool and pipe
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Concrete mixer
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The bulldozer starts, leaves
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Start up, Bobcat loader, drive away
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Open, close the lid, Tool box
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Construction of the road, clean the old
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Hammer hammering a nail into a tree
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Knocking hammer indoors, the sounds of the
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Road construction, laying,, skating rink
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Air rivet gun
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Vibratory grinding machine
★★★★★