In another aspect, {HEAD ~ the present cylinder assembly} provides {TAIL ~ a simple and inexpensive means} for not only preventing the accidental removal of the tumblers, but also permitting the intentional removal of the tumblers if desired 
provides
In another aspect , { HEAD ~ the present cylinder assembly } provides { TAIL ~ a simple and inexpensive means } for not only preventing the accidental removal of the tumblers , but also permitting the intentional removal of the tumblers if desired
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH