42 Engineering services; engineering services in the field of chemical, petrochemical, petroleum refining, plastic, and coal processing industries; engineering services, namely, design of technology for the processing of oils, gases, hydrocarbons, fuels, and petrochemicals; scientific and industrial research in the field of processing of oils, gases, hydrocarbons, fuels, and petrochemicals; scientific research and development in the field of processing of oils, gases, hydrocarbons, fuels, and petrochemicals; designing and planning of oil refineries and chemical, petrochemical, oil, natural gas, gas, and other process and industrial plants and facilities; materials testing services, chemical analysis services, and scientific laboratory and chemical laboratory services, all offered in connection with oil refineries and chemical, petrochemical, oil, natural gas, gas, oil refinery, and other process and industrial plants and facilities in the chemical, petrochemical, petroleum refining, plastic, and coal processing industries; consultancy and advisory services in the field of chemical process development; consultancy and advisory services, namely, designing and developing oil refineries, and chemical, petrochemical, oil, gas, natural gas, oil refinery, and other process and industrial plants and equipment therefor; chemical research and analysis, and quality evaluation services for others in the field of processing of oils, gases, hydrocarbons, and petrochemicals; scientific research consulting, material testing, design of machinery and equipment for others, engineering services, chemical process development for others, and scientific laboratory services in the chemical, petrochemical, petroleum refining, plastic, synthetic natural gas, and coal processing industries; initial start-up and initial operations support services, namely, diagnostic testing, evaluating, and analyzing of equipment used by oil refineries and chemical, petrochemical, oil, natural gas, gas, oil refinery, and other process and industrial plants and facilities in the chemical, petrochemical, petroleum refining, plastic, and coal processing industries; consulting services in the field of engineering of oil refineries and chemical, petrochemical, oil, natural gas, gas, plastic, and coal processing plants, oil refinery plants, and other process and industrial plants, and associated equipment and facilities; technical consulting services in the field of designing of industrial plants and facilities and processing units for the production of polyolefins; scientific research services, namely, pilot plant services for the testing of materials, processes, catalysts, and feed stocks for use in the petrochemical industry; technical support, namely, providing quality assurance services in the startup and commissioning of petrochemical production facilities of third parties; engineering services, namely, design of technology for the processing of biofuels, and chemicals derived from biofuels; engineering services in the field of production of chemicals, polymers and fuels from renewable bio-based and recycled feedstocks; engineering services in the field of decarbonizing refinery and petrochemicals assets; engineering services in the field of production of olefins and polymers, engineering services in the field of production of hydrogen; engineering services in the field of energy storage; engineering services, namely, design of technology for the processing and production of biofuels and chemicals derived from bio-based and recycled feedstocks; scientific and industrial research in the field of processing of biofuels, and chemicals derived from bio-based and recycled feedstocks; materials testing services, chemical analysis services, scientific laboratory and chemical laboratory services, and analytical chemical services, all offered in connection with biofuel production facilities; initial start-up and initial operations support services, namely, diagnostic, testing, technological troubleshooting, evaluating, and analyzing of equipment used by biofuel refineries; scientific research services, namely, pilot plant services for the testing of materials, processes, catalysts, and feed stocks for use in the processing of biofuels and chemicals derived from bio-based and recycled feedstocks; engineering and technology consultation in the field of reducing carbon dioxide emissions in the field of refinery and petrochemicals assets; technology planning and consulting services in the field of energy storage; technical consultation services in the field of engineering and design of energy storage systems