Sandpaper, rough sandpaper:
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Bulldozer starts, expects to be jammed
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Grinder tool and pipe
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Construction of buildings, hammers, saws,
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Screenings, Sand is poured
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Excavator approaching, jamming
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Saws,, Home construction, hammers
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Excavator starts up, expects to be jammed
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Electric surface grinding machine
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Drill
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Screwdriver
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Driving piles,, Construction of buildings
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Floor polisher
★★★★★