means for conducting said primary energy to {HEAD ~ said source} of {TAIL ~ microwave energy}; and 
of
means for conducting said primary energy to { HEAD ~ said source } of { TAIL ~ microwave energy } ; and
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH