Once determined, the asymmetrical sensitivity of the readhead towards the magnetic flux allows the manufacturer to mount the readhead with {TAIL ~ its sensitive side} away from {HEAD ~ the stepping motor} of the validating unit 
Once determined , the asymmetrical sensitivity of the readhead towards the magnetic flux allows the manufacturer to mount the readhead with { TAIL ~ its sensitive side } away from { HEAD ~ the stepping motor } of the validating unit
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH