A cap holder may further be provided for facilitating {HEAD ~ attachment} of {TAIL ~ the cap} to the cylinder 
of
A cap holder may further be provided for facilitating { HEAD ~ attachment } of { TAIL ~ the cap } to the cylinder
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH