In {HEAD ~ the embodiment} shown, the form has {TAIL ~ an area} of diminished width to aid cutting of the probe shaft at the outside perimeter of the form  
In { HEAD ~ the embodiment } shown , the form has { TAIL ~ an area } of diminished width to aid cutting of the probe shaft at the outside perimeter of the form
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH