Construction of buildings, driving piles, environmental sounds:
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Start up, drive away, Bobcat loader
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Expects to be jammed, Excavator starts up
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Open, Tool box, close the lock
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Wood lathe
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Jackhammer, Road construction
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Bobcat loader works, loads
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Driving piles, Construction of buildings
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Jamming, Bulldozer approaching
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Electric disc grinder
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Building tape
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Bulldozer moving
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Electric surface grinding machine
★★★★★