Strands of {HEAD ~ copper} wrap the coaxial cable and give the extension its flexibility, yet still providing {TAIL ~ the rigidness} necessary to maintain the extension shape for an indefinite time 
Strands of { HEAD ~ copper } wrap the coaxial cable and give the extension its flexibility , yet still providing { TAIL ~ the rigidness } necessary to maintain the extension shape for an indefinite time
OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH