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