The method relates to products such as bottles whose horizontal cross section of contact is oval and which are conveyed in the longitudinal direction, in single file and spaced apart, on a conveyor. The nonmetallic precursor compounds may be processed into the metallic material by first chemically reducing them to the metallic material, and then injection molding the metallic material, or first injection molding the nonmetallic precursor compounds and then chemically reducing them to the metallic material. With the aid of the layer structure, geometrically complex skin lesions caused by a tumor, as occurring e. Said 12 toy blocks can form a triangular pyramid of height of 6 units and 7 of said 12 toy blocks can form another triangular pyramid of height of 5 units.