Steam:
-
Air flow
-
The work of oxygen equipment, the release of
-
Air is bleeding through a hose
-
Mask breathing
-
Rope torsion
-
Truck Air Brakes
-
Cylinder pressure, Air compressor, air bleed
-
Construction, compressor discharges air
-
Oxygen balloon
-
Suction action of air
-
Balloon inflating
-
Air is let through the regulator
★★★★★