{HEAD ~ The field} relates generally to the field of controls and, more particularly, to {TAIL ~ method} and apparatus for controlling dispensers and for detecting users 
relates to
{ HEAD ~ The field } relates generally to the field of controls and , more particularly , to { TAIL ~ method } and apparatus for controlling dispensers and for detecting users
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH