Air flow:
-
Rope torsion
-
Oxygen balloon
-
Air is bleeding through a hose
-
Air release with a loud whistling creak,
-
Wind tunnel ventilation
-
Cylinder pressure, air bleed, Air compressor
-
Air flow
-
Cut through the air with a gas burner
-
Mask breathing
-
Fighting the fire with blacksmith furs
-
Air is let through the regulator
-
Balloon inflating
★★★★★