In the illustrated case, the container for {TAIL ~ the helium} or {HEAD ~ other gas} is a multi faceted container 14 with a suitable internal supporting framework if necessary 
In the illustrated case , the container for { TAIL ~ the helium } or { HEAD ~ other gas } is a multi faceted container 14 with a suitable internal supporting framework if necessary
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH