Hydraulic pump:
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Fluid drilling, Brewing unit
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Spectrograph
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Lowers forks, Forklift raises
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General noise, loaders, Work in a warehouse
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Small centrifuge
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Power station generator
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Hydraulic activator
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Hammer knocking, Car factory, welding
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Noise in, Grind wood with a grinder
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Turn off, Air compressor turn on
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Air compressor, air blow
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Hydraulic pump
★★★★★