{HEAD ~ The method} 1 further comprising {TAIL ~ the step} of storing the unique machine identifier on the mobile computing unit for subsequent use 
{ HEAD ~ The method } 1 further comprising { TAIL ~ the step } of storing the unique machine identifier on the mobile computing unit for subsequent use
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH