{HEAD ~ The exposed length} of dielectric tube 52 extending beyond {TAIL ~ shielding} means 56 can be any preselected length necessary, depending on the maximum length of needle with which the probe is intended for use 
extending beyond
{ HEAD ~ The exposed length } of dielectric tube 52 extending beyond { TAIL ~ shielding } means 56 can be any preselected length necessary , depending on the maximum length of needle with which the probe is intended for use
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH