Another object of this invention is to provide a reel device, as aforesaid, having a tubing reel which selectably pays out or retracts gas tubing in {HEAD ~ a manner} which minimizes or even precludes {TAIL ~ tangling} or pinching of the tubing 
Another object of this invention is to provide a reel device , as aforesaid , having a tubing reel which selectably pays out or retracts gas tubing in { HEAD ~ a manner } which minimizes or even precludes { TAIL ~ tangling } or pinching of the tubing
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 HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH