6 Metal building materials, namely, windows, doors, moldings, sidings, and structural parts therefor; metal sheeting and metal cladding for roofs and walls; metal gutters; metal louvres; transportable metal buildings; metal cladding for doors; metal hardware, namely, locks, handles, hinges, metal fasteners, namely, drilled strip fasteners, all for windows, doors and gates; metal pipes and tubes and parts therefor; ironmongery in the nature of small items of metal hardware, namely, cornices, locks, tacks, washers, bolts; pipes and tubes of metal