C

Common metals and their alloys, unwrought or semi-wrought; reinforcing materials of metal for building purposes; building boards of metal; cladding of metal for building; frames of metal for building; framework of metal for building; linings of metal for building; pillars of metal for building; reinforcing materials of metal for building; metal building materials namely, scaffolding, hinges, trellises, windows, doors; metal hardware and ironmongery articles made by locksmiths, namely, metal pipes and metal pins for doors and windows; common metals and their alloys including stainless steel; metallic materials for railway tracks; metal ores; rigid and flexible copper pipe for water and gas; copper and brass seals for pipe connections