40 Treatment of materials, namely, blast processing for metal; ceramic processing, namely, blast processing for ceramic; treatment of materials, namely, blast processing for glass; materials processing, namely, blast processing for plastic; finishing of metal surfaces by shot peening; finishing of ceramics by shot peening; treatment of materials in the nature of metal by means of laser peening; treatment of materials, namely, barrel polishing processing for metal; treatment of materials, namely, barrel polishing processing for ceramic; treatment of materials, namely, barrel polishing processing for plastic; treatment of materials, namely, barrel polishing processing for jewels; polishing of metal using brush polishing machine; polishing of glass, stone, ceramics, silicon, ingots, sapphire and crystal using brush polishing machine; material processing, namely, surface processing for metal or non-metal; treatment of materials in the nature of ceramics by means of surface processing; treatment of materials in the nature of plastic by means of surface processing; treatment of materials, namely, surface processing for glass; treatment of materials, namely, surface processing for silicon resins; providing advice and information in the field of treatment of materials and materials processing