Electric saw:
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Start, compressor, shutdown, Build, run
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Hammering a brick wall
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Removing a nail from a tree
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Bulldozer working
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Diesel engine
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Construction, cement loading, end of pouring
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Tool box, close the lid, open
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Manual planing, Planer
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Bulldozer passing by
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Sawing
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Excavator starts up, expects to be jammed
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Concrete processing, Construction
★★★★★