A method of using {HEAD ~ a motor} to move {TAIL ~ a movable member} comprising the steps of: 
to move
A method of using { HEAD ~ a motor } to move { TAIL ~ a movable member } comprising the steps of :
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH