40 [ Treatment and processing of sand blasting on surfaces of metal, rubber, synthetic resin, ceramic, concrete, glass, wood, paper and stone, namely, sand blasting treatment for scraping the surfaces thereof; Treatment and processing for grinding or finishing of metal, namely, treatment of metal; Treatment of materials, namely, surface treatment, processing and finishing of synthetic resin, glass and wood; Treatment of materials, namely, heat treatment and processing and surface treatment and processing of metal, metal material, metal parts of machines and apparatuses; Electro-plating; Mill working; Annealing; Metal tempering; Hot dipping by shot peening for forming a plating layer; Treatment and processing of cloth, clothing or fur by sand blasting treatment and processing for scraping the surface thereof; Metal processing, namely, treatment of metal; Processing of rubber by sand blasting treatment and processing for scraping the surface thereof; Processing of plastics by sand blasting treatment and processing for scraping the surface thereof; Ceramic processing by sand blasting treatment and processing for scraping the surface thereof; Wood-working; Treatment of material, namely, paper treating and working; stone-working, namely, custom manufacture, cutting and polishing of stones, and engraving of stones; Processing of bamboo, tree barks, rattan, vines or other mineral vegetable materials by sand blasting treatment and processing for scraping the surface thereof; Treatment and processing of artificial limbs or artificial teeth and of medical materials by sand blasting treatment and processing for scraping the surface thereof; Recycling of waste; Engraving of sealing stamps; Rental of machines and apparatuses for sand blasting; Rental of machines and apparatuses for shot blasting; Rental of machines and apparatuses for shot peening; Rental of metal treating machines and tools; Rental of machines and apparatuses for lumbering, woodworking, or veneering or plywood making; Rental of machines and apparatuses for pulp-making, paper making or paper-working; Rental of glassware manufacturing machines and apparatuses; Providing material treatment information ]