High quality coaxial electrical cables employing {HEAD ~ insulation} of {TAIL ~ fluorocarbon elastomers}, tetrafluorethylene propylene polymers and silicon are all suitable, with tetrafluorethylene propylene polymers being slightly preferred 
High quality coaxial electrical cables employing { HEAD ~ insulation } of { TAIL ~ fluorocarbon elastomers } , tetrafluorethylene propylene polymers and silicon are all suitable , with tetrafluorethylene propylene polymers being slightly preferred
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH