0:02
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Lowering a projector screen
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0:03
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Platform descending
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0:01
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Go kart helmet, visor, lower
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0:01
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Bicycle air pump, lower lever
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0:01
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Computer chair, pull lever, lower, seat hydraulic
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0:01
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Window blinds, lower fast
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0:07
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Metal stool. Lowering height.
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0:03
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Ambulance stretcher cot, lower, interior, automatic
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0:03
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Ambulance stretcher, cot lower, motor rev, automatic
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0:01
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Ambulance stretcher, cot lower, motor rev, short, automatic
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