Belt sander:
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Diesel engine
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Fine Emery, Sandpaper
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Bulldozer starts, expects to be jammed
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Work with a shovel
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Blows on concrete, Hammer and chisel
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Construction, cement loading, end of pouring
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Bulldozer rides through the woods, crackling
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Construction of buildings, driving piles,
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Plane
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Excavator Passes By
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Drum rotation, Construction, cement loading
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Construction, destruction of glass and
★★★★★