Hammer and chisel, wood blows:
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Belt sander
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Tightening the nut, loosening, Manual ratchet
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Screwdriver
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Circular Saw Blade Closing
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Floor polisher
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The bulldozer starts, leaves
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Skating rink, Road construction, laying,
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Truck crane works
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Manual grinder
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Construction of the road, clean the old
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Electric polished marble
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Electric hand grinder
★★★★★