{TAIL ~ Block} 38 is a decision block that represents the computer 10 determining whether {HEAD ~ the user} has entered an UNLINK keyword command to disable the invention 
{ TAIL ~ Block } 38 is a decision block that represents the computer 10 determining whether { HEAD ~ the user } has entered an UNLINK keyword command to disable the invention
TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH