Build, compressor, start, run, shutdown:
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Concrete mixer
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Manual grinder
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Knocking hammer indoors, the sounds of the
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Road construction, laying,, skating rink
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Grinder tool and pipe
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Waits, shuts down, Bobcat loader starts up
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Electric machine grinder
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Digging in the tool box
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The destruction of the building with a
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Hammering a brick wall
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Bulldozer moving
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Bobcat loader, drive away, start up
★★★★★