Electric machine grinder:
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Bulldozer starts, expects to be jammed
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Sawing, Hacksaw
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Circular Saw Blade Closing
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Leaves, The bulldozer starts
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Staple gun
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Electric hand grinder
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Jackhammer, Road construction
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Bobcat loader approaching, jamming
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Construction of buildings, driving piles,
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Electric machine grinder
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Start up, Bobcat loader, drive away
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Vibratory grinding machine
★★★★★