A plurality of cylinders received in {HEAD ~ said well} supporting {TAIL ~ a frame structure} comprised of a plurality of channel member positions to be received in said canals 
supporting
A plurality of cylinders received in { HEAD ~ said well } supporting { TAIL ~ a frame structure } comprised of a plurality of channel member positions to be received in said canals
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH