Sand is poured, screenings:
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Screwdriver screwing a screw into a tree
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End of pouring, Construction, cement loading
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Run, Build, shutdown, start, compressor
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Hammer hammering a nail into a tree
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Removing a nail from a tree
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Clean the old, Construction of the road
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Truck crane works
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Floor polisher
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Cutting machine
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Construction of buildings, driving piles,
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Excavator digs a hole
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Wood lathe
★★★★★