{HEAD ~ A system} includes {TAIL ~ a speed control module}, a repeatable component measuring module, and a repeatable component correcting module 
{ HEAD ~ A system } includes { TAIL ~ a speed control module } , a repeatable component measuring module , and a repeatable component correcting module
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH