Bulldozer working:
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Staple gun
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Expects to be jammed, Bulldozer starts
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Hammers, Construction of buildings, saws,
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Screwdriver
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The bulldozer starts, leaves
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Drill
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Sandpaper, rough sandpaper
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Electric surface grinding machine
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Loosening, Manual ratchet, tightening the nut
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Digging in the tool box
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Crane
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Vibratory grinding machine
★★★★★