Sand is poured, screenings:
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Saws,, hammers, Home construction
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Driving piles,, Construction of buildings
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Electric polished marble
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Excavator approaching, jamming
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Drill
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Construction, concrete processing
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Compaction of soil with a vibrating plate
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Crackling, Bulldozer rides through the woods
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Digging in the tool box
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Waits, Bobcat loader starts up, shuts down
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Bulldozer starts, expects to be jammed
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Loosening, tightening the nut, Manual ratchet
★★★★★