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