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Close the lock, Tool box, open
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Saws,, Home construction, hammers
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Bulldozer moving
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Grinder
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Drive away, Bobcat loader, start up
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Blows on concrete, Hammer and chisel
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Electric saw
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Knocking a hammer indoors with an echo
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Concrete mixer
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Crackling, Bulldozer rides through the woods
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Electric tile cutter
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Driving piles, Construction of buildings
★★★★★