In {TAIL ~ a preferred embodiment}, {HEAD ~ the outlet} has a width equal to the width of one of the zones 
In
In { TAIL ~ a preferred embodiment } , { HEAD ~ the outlet } has a width equal to the width of one of the zones
REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH