Sand is poured, screenings:
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Jamming, Bobcat loader approaching
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Electric polished marble
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Crane
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Bulldozer, Construction, digging
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Hammer and chisel, blows on concrete
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Bobcat loader, start up, drive away
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Excavator starts up, expects to be jammed
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Jamming, Excavator approaching
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Tool box, close the lock, open
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Bulldozer starts, expects to be jammed
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Wood file
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Bulldozer passing by
★★★★★