Stages for events composed of primarily metal materials; Sidewalk shed, namely, metal shelter structure with curved beams supporting a roof to protect sidewalks, pedestrians and property from debris falling from overhead; metal canopy with curved beams supporting a roof; metal pedestrian toll booth with curved beams supporting a roof; metal canopy with curved beams supporting a roof and non-luminous and non-mechanical signs; metal canopy with curved beams supporting a roof and luminous signs; metal canopy with curved beams supporting a roof and mechanical signs; metal canopy with curved beams supporting a roof and audiovisual signs; metal canopy with curved beams supporting a roof comprising a marquee entrance; metal canopy with curved beams supporting a roof for outdoor dining