In a preferred embodiment, {HEAD ~ the conductor} is surrounded by {TAIL ~ a Teflon dielectric tube}, which provides improved noise suppression during operation 
is surrounded by
In a preferred embodiment , { HEAD ~ the conductor } is surrounded by { TAIL ~ a Teflon dielectric tube } , which provides improved noise suppression during operation
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH