As will be explained in greater detail below, the sensor cavities 304 must be aligned with the knife slots 46 in {HEAD ~ the indexing disk} 30 to permit {TAIL ~ the knife blade} 36 to engage, eject and push one of the sensors 302 into a testing position on the front end 14 of the housing 12 
As will be explained in greater detail below , the sensor cavities 304 must be aligned with the knife slots 46 in { HEAD ~ the indexing disk } 30 to permit { TAIL ~ the knife blade } 36 to engage , eject and push one of the sensors 302 into a testing position on the front end 14 of the housing 12
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL 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 OTH OTH OTH OTH OTH OTH OTH