Construction of buildings, driving piles, environmental sounds:
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Hammer hammering a nail into a tree
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The bulldozer starts, leaves
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Cement loading, Construction, end of pouring
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Digging in the tool box
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Excavator starts, leaves
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Belt sander
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Bulldozer rides through the woods, crackling
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Electric planer
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Planer, manual planing
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Sand is poured, screenings
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Tool belt thrown to the ground
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Concrete mixer
★★★★★