prefabricated homes of metal; portable buildings, relocatable buildings, modular buildings and prefabricated buildings and components and parts for producing portable buildings, relocatable buildings, modular buildings and prefabricated buildings, all being principally of metal; building materials of metal; transportable homes and buildings of metal; small items of metal hardware; aluminium doors, door frames, window frames; locks of metal; metal water tanks

prefabricated homes, not of metal; portable buildings, relocatable buildings, modular buildings and prefabricated buildings and components and parts for producing portable buildings, relocatable buildings, modular buildings and prefabricated buildings, not of metal; non-metallic building materials; non-metallic modular and prefabricated bathrooms; glass windows