Building curtain walls made primarily of metal; Building wall framing made primarily of metal; Door casings of metal; Door jambs of metal; Metal door frames; Metal doors; Metal hinges; Metal roofing; Metal window casements; Metal window frames; Metal windows; Metal roof trusses

Building curtain walls made primarily of metal; building wall framing made primarily of metal; roof framing and trusses made primarily of metal; metal windows and doors; hinges made of metal; metal window frames; metal window casements; metal windows; metal door frames; door casings of metal; door jambs of metal; doors of metal

Building curtain walls made primarily of metal; building wall framing made primarily of metal; members and components for building walls made primarily of metal; roof framing and trusses made primarily of metal

Building curtain walls made primarily of metal; building wall framing made primarily of metal; roof framing and trusses made primarily of metal; metal windows and doors; hinges made of metal; metal window frames; metal window casements; metal windows; metal door frames; door casings of metal; door jambs of metal; doors of metal

Building curtain walls made primarily of metal; building wall framing made primarily of metal; roof framing and trusses made primarily of metal; metal windows and doors; hinges made of metal; metal window frames; metal window casements; window casements of metal; metal window sills; metal windows; metal door frames; door casings of metal; door frames of metal; metal door panels; door panels of metal; metal door units, door jambs of metal; doors of metal

Building curtain walls made primarily of metal; building wall framing made primarily of metal; roof framing and trusses made primarily of metal; metal windows and doors; hinges made of metal; metal window frames; metal window casements; metal windows; metal door frames; door casings of metal; door jambs of metal; doors of metal