Inflating a mattress:
-
Small compressor blowing air
-
Cut through the air with a gas burner
-
Balloon inflating
-
Fighting the fire with blacksmith furs
-
Air pressure
-
Compressor discharges air, Construction
-
Suction action of air
-
Air is blown through a glass tube
-
Air is let through the regulator
-
Balloon descent
-
Air flow
-
Mask breathing
★★★★★