Assertion: diver's regulator | /r/HasProperty | bcd inflation hose
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Source sentences:
text: Although there is no universally accepted standard, at least one agency recommends the use of two non-freezing regulators arranged as follows: primary first stage with primary second stage, BCD inflation hose, and submersible pressure gauge (SPG); secondary first stage with secondary second stage (octopus), dry suit inflation hose, and SPG, although only one SPG is needed for a single cylinder or manifolded twins.