A Naval training film in four parts made for the R.N.M.S. This is Part 1: Breathing for others. An evocative safety film which begins with a number of stark reminders over the importance of air with a number of dramatised scenes such as drowning, carbon monoxide poisoning can lead to death. The action of the lungs is explained graphically. Resuscitation is explained. A sword swallower demonstrates how the air passage can be fully opened.
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