Construction of buildings, driving piles:
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Bulldozer rides through the woods, crackling
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Excavator digs a hole
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Laying,, skating rink, Road construction
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Sand is poured, screenings
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Vise make clamp
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Electric polished marble
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Leaves, Excavator starts
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Engine noise, Excavator
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Construction, loading of cement, the
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Crane
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Hammer hammering a nail into a tree
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Wood file
★★★★★