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