Construction of buildings, hammers, saws, environmental sounds:
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Leaves, The bulldozer starts
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Diesel engine
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Woodworking
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Excavator, engine noise
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Road construction, jackhammer
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Electric hand grinder
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Circular Saw Blade Closing
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Sandpaper, rough sandpaper
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Electric surface grinding machine
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End of pouring, cement loading, Construction
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Drill machine
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Hammer and chisel, blows on concrete
★★★★★