{HEAD ~ The tubing reel} is biased in a retracting direction and includes ratcheting and releasing {TAIL ~ means} for selectably paying out or retracting the tubing 
includes releasing
{ HEAD ~ The tubing reel } is biased in a retracting direction and includes ratcheting and releasing { TAIL ~ means } for selectably paying out or retracting the tubing
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL OTH OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH