Excavator starts, leaves:
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Rough sandpaper, Sandpaper
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Tightening the nut, loosening, Manual ratchet
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Drum rotation, Construction, cement loading
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Tin snips
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Electric polished marble
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Waits, Bobcat Loader Starts Up
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Hacksaw, sawing
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Crane
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Vibratory grinding machine
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Truck crane works
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Road construction, laying,, skating rink
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Construction, concrete processing
★★★★★