A perimeter flashing or seal may be used to preclude or inhibit rain water from entering {HEAD ~ the interior} of {TAIL ~ the solar module array} from a perimeter surface 
of
A perimeter flashing or seal may be used to preclude or inhibit rain water from entering { HEAD ~ the interior } of { TAIL ~ the solar module array } from a perimeter surface
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH