Excavator digs a hole:
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Construction of the road, clean the old
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Screwdriver screwing a screw into a tree
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Concrete mixer
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Fine Emery, Sandpaper
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Bulldozer working
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Bobcat Loader Starts Up, Waits
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Truck crane works
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Tightening the nut, Manual ratchet, loosening
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Manual grinder
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Screenings, Sand is poured
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Expects to be jammed, Excavator starts up
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Bobcat loader approaching, jamming
★★★★★