Waveguides fabricated in accordance with the invention enjoy the advantage of being readily installed with good alignment into waveguide connectors of {HEAD ~ the type} which possess {TAIL ~ a pre aligned bore} 
possess
Waveguides fabricated in accordance with the invention enjoy the advantage of being readily installed with good alignment into waveguide connectors of { HEAD ~ the type } which possess { TAIL ~ a pre aligned bore }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL