Compressor, start, run, shutdown:
-
Spinning machine
-
Noise in, Grind wood with a grinder
-
Conveyor, conveyor belt
-
Automatic telephone switch
-
Welding transformer operation under load
-
General noise, Factory work
-
Machine engine gaining momentum
-
Forklift drives by
-
Low frequency running engine
-
Working,, Welding transformer, turning on
-
Print imprinted in cardboard, Notches
-
Car factory, hammer knocking, welding
★★★★★