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