Truck crane works:
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Run, compressor, start, Build, shutdown
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Concrete mixer
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Knocking a hammer indoors with an echo
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A circular saw
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Drum rotation, Construction, cement loading
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Sawing, Hacksaw
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Electric hand grinder
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Bobcat loader approaching, jamming
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Tool box, open, close the lock
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Manual ratchet, tightening the nut, loosening
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The destruction of the building with a
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Excavator, engine noise
★★★★★