Grinder:
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Tightening the nut, loosening, Manual ratchet
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Road construction, jackhammer
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Grinder
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Sawing
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Knocking a hammer indoors with an echo
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Clean the old, Construction of the road
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Fine Emery, Sandpaper
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Insert, remove drill, Drill
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Bulldozer moving
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Open, close the lid, Tool box
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Sand is poured, screenings
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Engine noise, Excavator
★★★★★