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