Composite product consisting of two or more materials such as ceramic, metal and elastomers, being wear-plates manufactured with metal as a base material which fit together to form a lining; goods of common metals and their alloys, ceramics and elastomers not included in other classes namely parts and accessoes for the aforementioned composite products; abrasion resistant wear products of the nature of plate and including such plate having overlays of wear resistant materials, these products being manufactured with metal as a base material which may be affixed equipment such a chutes and hoppers to form an abrasive-resistant lining