{HEAD ~ The pressure} ensures adequate contact between the covering and a counter shaft assembly which communicates magnetically with {TAIL ~ internal electronic circuitry} 
{ HEAD ~ The pressure } ensures adequate contact between the covering and a counter shaft assembly which communicates magnetically with { TAIL ~ internal electronic circuitry }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL