Air compressor operation:
-
Air broom, Blower
-
Air compressor operation
-
Cylinder pressure, Air compressor, air bleed
-
Oxygen balloon
-
Air is blown through a glass tube
-
Air is let through the regulator
-
Cut through the air with a gas burner
-
Air release with a loud whistling creak,
-
Fighting the fire with blacksmith furs
-
Rope torsion
-
Mask breathing
-
Inflating a mattress
★★★★★