At the beginning of the film, Richard Egan's voice-over twice specifies that the gas in his SCUBA tank is "oxygen." His tanks contain compressed air, which is approximately 79% nitrogen and 21% oxygen. If they contained pure oxygen, the diver would likely experience oxygen toxicity and go into convulsions within a short period of time at about 20 feet, and even more quickly at deeper depths.
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05/03/2025 alle ore 09:38
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