Forklift, on, standby, off:
-
Printing press
-
Power station turbine
-
Conveyor, conveyor belt
-
Hydraulic down machine
-
Grind wood with a grinder, noise in
-
Forklift in motion
-
Brewing unit, fluid drilling
-
Electric generator (hum)
-
Working machine engine
-
Industrial exhaust fan
-
Mill for grinding grain, Brewing unit
-
Welding transformer operation under load
★★★★★