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