Excavator, engine noise:
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Start up, Bobcat loader, drive away
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Close the lid, Tool box, open
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Road construction, jackhammer
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Bulldozer working
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Electric saw
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End of pouring, cement loading, Construction
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Work with a shovel
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Grinder tool and pipe
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Bobcat loader works, loads
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Waits, shuts down, Bobcat loader starts up
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Vibratory grinding machine
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Expects to be jammed, Bulldozer starts
★★★★★