Truck crane works:
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Crackling, Bulldozer rides through the woods
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Air rivet gun
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Hammer and chisel, wood blows
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Knocking a hammer indoors with an echo
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Tool box dragged across the floor
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Work with a shovel
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Floor polisher
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Remove drill, insert, Drill
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Drill machine
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Construction of buildings, driving piles,
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Bobcat loader starts up, waits, shuts down
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Construction of buildings, driving piles
★★★★★