{HEAD ~ A gas delivery tube} 28 is secured to {TAIL ~ the discharge} 29 of the compressor 23 and extends to the mask 20 for the delivery of a breathable gas to the patients nose 21 as shown in FIG 2 
is secured to
{ HEAD ~ A gas delivery tube } 28 is secured to { TAIL ~ the discharge } 29 of the compressor 23 and extends to the mask 20 for the delivery of a breathable gas to the patients nose 21 as shown in FIG 2
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH