Cutting machine:
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Excavator starts, leaves
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Truck crane works
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Manual ratchet, tightening the nut, loosening
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Bulldozer working
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Drill, insert, remove drill
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Tin snips
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Digging in the tool box
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Electric machine grinder
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Bulldozer moving
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Excavator starts up, expects to be jammed
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Shuts down, waits, Bobcat loader starts up
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Screwdriver screwing a screw into a tree
★★★★★