{HEAD ~ The apparatus} 1, further comprising {TAIL ~ a switching element} operable to selectively connect the surface region to a source of potential that is at a reset level 
comprising
{ HEAD ~ The apparatus } 1 , further comprising { TAIL ~ a switching element } operable to selectively connect the surface region to a source of potential that is at a reset level
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH