{TAIL ~ The apparatus} may include {HEAD ~ a fixture} for supporting the sensor and holding the sensor in the substantially fixed position 
{ TAIL ~ The apparatus } may include { HEAD ~ a fixture } for supporting the sensor and holding the sensor in the substantially fixed position
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH