Application of {HEAD ~ a load} at {TAIL ~ the surface} 8 of the sensor can then vary the electronic characteristics at the internal sensing point 15 
at
Application of { HEAD ~ a load } at { TAIL ~ the surface } 8 of the sensor can then vary the electronic characteristics at the internal sensing point 15
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH