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