Although only a portion of the roof 12 of the metal building has been shown in FIG 1, it should be understood that {HEAD ~ the entire roof} has the same general construction and is connected with {TAIL ~ metal walls} of the building in a known manner 
is connected with
Although only a portion of the roof 12 of the metal building has been shown in FIG 1 , it should be understood that { HEAD ~ the entire roof } has the same general construction and is connected with { TAIL ~ metal walls } of the building in a known manner
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH