Welding transformer operation under load:
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Electric generator (hum)
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Crusher
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Off, Forklift, on, standby
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Notches, print imprinted in cardboard
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Grind metal on a grinding machine in a
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Grind wood with a grinder, noise in
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Canning machine
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Spinning machine
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Forklift raises, lowers forks
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Spectrograph
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Loaders, general noise, Work in a warehouse
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Power station turbine
★★★★★