or geologists. (F) Renewable industry, including work in the development, manufacturing, and production of renewable energy sources (such as solar, hydropower, wind, or geothermal energy). (G) Coal industry, including work as coal miners, engineers, developers and manufacturers of state-of-the-art coal facilities, technology vendors, coal transportation workers and operators, or mining equipment vendors. (H) Manufacturing industry, including work as operations technicians, operations and design in additive manufacturing, 3–D printing, advanced composites, and advanced aluminum and other metal alloys, industrial energy efficiency management systems, including power electronics, and other innovative technologies. (I) Chemical manufacturing industry, including work in construction (such as welders, pipefitters, and tool and die makers) or as instrument and electrical technicians, machinists, chemical process operators, chemical engineers, quality and safety professionals, and reliability engineers