Construction of buildings, driving piles, environmental sounds:
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Hammers, saws,, Construction of buildings
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Electric polished marble
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Diesel engine
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Electric planer
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Sandpaper, Fine Emery
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Sandpaper, rough sandpaper
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Screwdriver
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Tightening the nut, loosening, Manual ratchet
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Grinder tool and pipe
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Screenings, Sand is poured
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Hammer and chisel, blows on concrete
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Floor polisher
★★★★★