Glazier services; installation, repair and maintenance services in this class; building and construction services; glass replacement services; erection and repair of fencing including in relation to pool fencing; replacement, installation, repair and maintenance of broken windows, mirrors, shower screens, safety glass, table tops, pool fencing, glass screening and panelling, glass fencing and lead lighting, air-conditioning, duct work and ducting; installation, repair and maintenance of aluminium frames, screen, panelling, sheeting and other aluminium based building materials; information, advisory and consultancy services in relation to all of the aforementioned