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