Forklift raises, lowers forks:
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Low frequency running engine
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Mechanical lift
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Hydraulic down machine
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Shutdown, run, Compressor, start
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Hydraulic pump
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Automatic telephone switch
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Milling machine
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Factory work, general noise
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Rattling, The atmosphere of the factory
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Turning on, Welding transformer, working,
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Forklift approaching
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Notches, print imprinted in cardboard
★★★★★