{HEAD ~ The roof} 12 includes a metal roof panel 14 which is connected with longitudinally extending metal structural members or {TAIL ~ purlins} 16 by suitable fasteners 18 
{ HEAD ~ The roof } 12 includes a metal roof panel 14 which is connected with longitudinally extending metal structural members or { TAIL ~ purlins } 16 by suitable fasteners 18
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH