By adjusting the assembly, {HEAD ~ the user} can easily adjust {TAIL ~ a capping spindle} to follow a selected one of different tracks that are formed into a barrel cam 
easily adjust
By adjusting the assembly , { HEAD ~ the user } can easily adjust { TAIL ~ a capping spindle } to follow a selected one of different tracks that are formed into a barrel cam
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH