40 Mineral processing services and mineral refining services in this class; Gas processing and treatment; Gas processing services; Processing of gas; Purification of gases; Refining of gas; Providing information, including online, about treatment of materials; Treatment of materials; Refining, manufacturing, treatment, processing, blending, fabricating and conversion of materials including petroleum products, gas, chemical and other products; power generation; production of energy; generating of electricity; water treatment; treatment of sewage; waste disposal; treatment of waste materials and hazardous substances; advisory, consultancy and information services relating to all the aforesaid services