Rubber in the form of preformed elements or mouldable compounds not included in other classes for industrial use; rubber reinforced with ceramics or metal not included in other classes, in the form of preformed elements or mouldable compounds for industrial use; linings in the form of preformed elements and slabs of rubber or of rubber reinforced with ceramics or metal, for use in machinery or equipment which are subject to wear; preformed slabs or elements of plastic for industrial purposes; preformed slabs or elements of plastic, reinforced with ceramics or metal for industrial purposes; linings in the form of preformed elements and slabs of plastics or of plastics reinforced with ceramics or metal, for use in machinery or equipment which are subject to wear; Raw rubber; semi-worked rubber; cured rubber; uncured rubber; natural rubber; synthetic rubber; latex; rubber sheets; rubber hoses; flexible non-metallic pipes; non-metallic flexible hoses of rubber reinforced with wires; articles made of rubber for use in shock absorbing; articles made of rubber for insulation purposes; articles made of rubber for jointing purposes; articles made of rubber for protection purposes; impact and abrasion resistant bars made of rubber; impact and abrasion resistant panels made of rubber; rubber panels and sheets for lining walls and floors