self-contained underwater breathing apparatus

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A device consisting of one or more tanks of compressed breathable gases—‘air’—in optimised ratios, a regulator that can be adjusted to regulate the flow of air, and a meter to indicate the amount of ‘air’ remaining in the tanks
Risks Barotrauma, lung overinflation, decompression illness, death (±150/year, US)

self-contained underwater breathing apparatus

,

scuba

A device used by swimmers and divers that enables them to breathe underwater. The mask worn is watertight and is connected to a tank of compressed air.
See: bends
References in periodicals archive ?
The RES is a very compact, horizontally-waist mounted SCUBA set combined with an integrated PFD (Personal Flotation Aid) that also acts as a diver buoyancy compensator.
Tenders are invited for Purchase of 18 nos of scuba set
Tenders are invited for Self Contained underwater Breathing Apparatus with Divers Communication set for purchase of one SCUBA set and one Divers Unit
Tenders are invited for Supply of 18nos of scuba set with 2 spare cylinders
The purpose of the training is to enhance professional and practical skills of rescuers on newly purchased SCUBA sets while 74 rescuers successfully completed their SCUBA training.
Rawalpindi -- District Coordination Officer (DCO) Rawalpindi Sajid Zafar on Thursday inspected flood rescue equipment and gave orders for emergency procurement of Rubber Boats 10 Nos and SCUBA sets 6 Nos.
Tenders are invited for purchase of 18 nos of scuba sets please refer notice inviting tender for details
The department has proposed to buy four emergency/quick response vehicles, hydraulic telescopic arms, scuba sets, thermal imaging camera, victim location search camera, inflatable rubber boats, aerial platform (32 metres), heavy duty pick axes, shovels, wheel barrows, breathing mask, air lifting bags, smoke exhauster, well/confined area system and hydraulic equipments.