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SCUBA became the generic term for any type of self-contained breathing set for diving, and soon the acronym SCUBA became a common noun – "scuba" – all in lower-case. "Scuba" was a trademark for a time – used by Healthways, now known as Scubapro – one of the competitors of U.S. Divers. [citation needed]
Underwater breathing apparatus can be classified as open circuit, semi-closed circuit, (including gas extenders) or closed circuit (including reclaim systems), based on whether any of the exhaled gas is recycled, and as self-contained or remotely supplied (usually surface-supplied, but also possibly from a lock-out submersible or an underwater habitat), depending on where the source of the ...
DESCO, also known as Diving Equipment and Supply Company Inc. – American manufacturer of commercial diving equipment – Surface supplied and scuba equipment, standard diving equipment. [3] shallow water helmets. [34] Divecomputer.eu – Dive computers. [9] Divematics USA Inc. – Manufacturer of Widolf full-face diving masks since 1980. [35]
The Halcyon RB80 is a non-depth-compensated passive addition semi-closed circuit rebreather of similar external dimensions to a standard AL80 scuba cylinder (11-litre, 207-bar aluminium cylinder, 185 mm diameter and about 660 mm long).
Underwater breathing apparatus is equipment or systems which allow the user to breathe underwater. There is a sub-category for components. ... Stage set (scuba ...
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As a person breathes, the body consumes oxygen and produces carbon dioxide. Base metabolism requires about 0.25 L/min of oxygen from a breathing rate of about 6 L/min, and a fit person working hard may ventilate at a rate of 95 L/min but will only metabolise about 4 L/min of oxygen [10] The oxygen metabolised is generally about 4% to 5% of the inspired volume at normal atmospheric pressure, or ...
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