Sand is poured, screenings:
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Knocking a hammer indoors with an echo
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Hammer and chisel, blows on concrete
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Belt sander
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Construction of the road, clean the old
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Wood blows, Hammer and chisel
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Diesel engine
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Concrete mixer
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Bulldozer passing by
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Construction, bulldozer, digging
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Dip the roller in the paint tray with paint
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Floor polisher
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Truck crane works
★★★★★