Also shown in FIG 6 are additional screws 24 which attach {HEAD ~ the interior} galvanized {TAIL ~ corrugated sheet sections} 17, 17, etc. to an existing girt 26 of the building structure 
galvanized
Also shown in FIG 6 are additional screws 24 which attach { HEAD ~ the interior } galvanized { TAIL ~ corrugated sheet sections } 17 , 17 , etc . to an existing girt 26 of the building structure
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH