Newspaper press:
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Hydraulic machine up
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Compressor industry
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Low frequency running engine
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Postal sorting line
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Gas welding
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Oil pump
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Signal for lunch at the factory
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Shutdown, run, Compressor, start
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Turn off, Air compressor turn on
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Turning on, working,, Welding transformer
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Breakdown press
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Grind metal on a grinding machine in a
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