Hammering a brick wall:
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Manual grinder
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Knocking a hammer indoors with an echo
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Metal file
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Tool box dragged across the floor
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Diesel engine
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Jamming, Excavator approaching
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Sandpaper, Fine Emery
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Electric surface grinding machine
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Grinder tool and pipe
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Wood file
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Bobcat loader starts up, waits, shuts down
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Dip the roller in the paint tray with paint
★★★★★