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2 answers

It is supplied from pressure tanks. Some of them are cylindrical in shape with domed ends, but most of them are spherical.

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2007-10-12 05:40:02 · answer #1 · answered by tlbs101 7 · 0 0

just like scuba diver coz no oxygen found

2007-10-16 04:29:47 · answer #2 · answered by bongards 2 · 0 0

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