Concrete mixer:
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Air rivet gun
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Screenings, Sand is poured
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Electric polished marble
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Jamming, Bobcat loader approaching
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Concrete processing, Construction
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Blows on concrete, Hammer and chisel
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Tightening the nut, loosening, Manual ratchet
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Sawing
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Screwdriver screwing a screw into a tree
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Electric machine grinder
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Electric hand grinder
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A circular saw
★★★★★