An apparatus 12 wherein the electromagnetic radiation producing means includes {HEAD ~ means} for producing {TAIL ~ microwaves} 
for producing
An apparatus 12 wherein the electromagnetic radiation producing means includes { HEAD ~ means } for producing { TAIL ~ microwaves }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL