Power station turbine:
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Welding transformer operation under load
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Milling machine
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Spectrograph
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Vibrosieve at the factory
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Hydraulic machine up
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Crusher
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Hydraulic down machine
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Room noise, Glass bottles on a conveyor line
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Box making machine
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Grind wood with a grinder, noise in
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Machine engine gaining momentum
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Brewing unit, fluid drilling
★★★★★