Скачать или смотреть Open Circuit SCUBA, Oxygen Rebreathers and Space Suits - a comparison

A short video, explaining the difference to between Open Circuit SCUBA gear and Oxygen Rebreathers used for Diving, with some info on Space suits too !

My credentials:
I'm certified as a SCUBA Instructor with PADI (Professional Association of Diving Instructors - an American agency) and BSAC (the British Sub-Aqua Club) and have been diving for well over 40 years.

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#scuba #diving #rebreather #spaceisreal #spacedeniers #earhtisnotflat