Goods of metal and common metal alloys and goods coated therewith included in this class; pipes and tubes of metal including insulated and pre-insulated pipes and tubes of metal; pre-insulated bonded metal pipes; thermally insulated pipes made of copper; pipe casings of metal; pipe seals of metal; metal materials having insulating properties; cladding panels of metal incorporating thermally insulating materials; pre-formed insulation components; insulation fixing apparatus of metal; including instructional materials sold together with the aforesaid goods, accessories, parts and fittings for all the aforesaid goods allowed in this class

Insulating materials; thermal insulating materials; pre-formed insulation components; insulation materials for pipes; insulation coatings for pipes; insulation wrappings for pipes; plastic sheets for insulating pipes; synthetic materials for insulating pipes; non-metallic insulated pipe jackets; non-metallic pipe linings; pipe sealing compositions; thermally insulated pipes made of plastic; including instructional materials sold together with the aforesaid goods, accessories, parts and fittings for all the aforesaid goods allowed in this class

Protective compounds made of bitumen and synthetic resins,