{TAIL ~ The conductive material} is an epoxy cement based conductor, {HEAD ~ preferably silver}, printed or painted directly on to the substrate 
{ TAIL ~ The conductive material } is an epoxy cement based conductor , { HEAD ~ preferably silver } , printed or painted directly on to the substrate
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH