Generator, start, work, jamming:
-
Hydraulic down machine
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Electric generator (hum)
-
Oil pump
-
Glass bottles on a conveyor line, room noise
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Factory atmosphere, drone in a mine tunnel
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Welding transformer, working,, turning on
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Hydraulic machine up
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Generator, start, work, jamming
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Fluid drilling, Brewing unit
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Low frequency running engine
-
Power station turbine
-
Crusher
★★★★★