Common metals and their alloys; metal building materials; copper and copper pipes; metallic pipes and tubes, pipe and tube parts and fittings; pipe and tube parts and fittings of metal and plastics, including such goods made of metal and having their external and internal surfaces covered by plastics materials; Insulated metal tubing (other than parts of machines, engines or motors; Insulated metal pipes (other than parts of machines, engines or motors; pre-insulated cooper tubes with thermal nitrile rubber insulation

Closed cell insulation used in air conditioning apparatus; coating materials for insulating pipes; coating materials for insulation purposes; elastomeric sealing material being vapour impermeable; elastomeric sealing material being liquid impermeable; flexible elastomeric thermal insulation; insulating materials for insulation against heat; insulating materials for use in fire protection; insulating materials in the form of tubes; insulating materials in the form of sleeves; Insulation materials for pipes; jackets (insulating) for pipes; pipe wrappings for insulation purposes; thermal insulating materials; thermal nitrile rubber insulation for cooper tubes