Drill:
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Bulldozer working
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Excavator starts up, expects to be jammed
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Plane
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Loosening, Manual ratchet, tightening the nut
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Shuts down, Bobcat loader starts up, waits
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Electric saw
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Metal file
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Grinder
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Fine Emery, Sandpaper
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Electric disc grinder
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Construction, bulldozer, digging
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Hammer and chisel, blows on concrete
★★★★★