Construction, cement loading, drum rotation:
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Work with a shovel
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Jamming, Bobcat loader approaching
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Electric surface grinding machine
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Reverb sawing, Hacksaw
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Electric machine grinder
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Excavator approaching, jamming
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Electric disc grinder
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Crackling, Bulldozer rides through the woods
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Wood file
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Leaves, Excavator starts
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Hammer hammering a nail into a tree
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Excavator, engine noise
★★★★★