The reel shaft 62 presents an open end such that {HEAD ~ the tubing reel} 54 may be slidably mounted on {TAIL ~ the support shaft} 50 and rotated thereon 
The reel shaft 62 presents an open end such that { HEAD ~ the tubing reel } 54 may be slidably mounted on { TAIL ~ the support shaft } 50 and rotated thereon
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH