FIG 2 shows, in partial cross sectional view, {HEAD ~ a preferred embodiment} of {TAIL ~ flexible probe} 16 
of
FIG 2 shows , in partial cross sectional view , { HEAD ~ a preferred embodiment } of { TAIL ~ flexible probe } 16
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH