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 a manner which minimizes or even precludes tangling or {TAIL ~ pinching} of {HEAD ~ 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 a manner which minimizes or even precludes tangling or { TAIL ~ pinching } of { HEAD ~ the tubing }
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