{HEAD ~ Such range} of {TAIL ~ operation} can severely reduce the accuracy of the sensor 10 of FIG 1 
{ HEAD ~ Such range } of { TAIL ~ operation } can severely reduce the accuracy of the sensor 10 of FIG 1
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH