SpinCo Field" means the design, development, research, engineering, procurement, fabrication, analysis, manufacture, construction, installation, supply, marketing, sale, lease, rent, commissioning, training, delivery, inspection, testing of, support, operations, inspection, maintenance, upgrade, repair, refurbishment, rebuilding, replacement, modification, repowering/fuel switching, relocation, localization, or other services, including project management, construction project management or consultation, plant, system or component licensing, siting support or consultation, environmental, safety, health, laboratory analysis, engineering studies, field engineering services, nondestructive testing, evaluation or analytical services, metallographic analysis, consulting services, troubleshooting, failure analysis, cleaning, upgrading, tooling, or decommissioning, related to heat exchangers specifically for tower-based solar thermal conversion systems enabled by solar energy and support subsystems, equipment or components thereof, including pressure parts, cleaning systems, valves, controls or diagnostics. "Specific RemainCo Field" means the design, development, research, engineering, procurement, fabrication, analysis, manufacture, construction, installation, supply, marketing, sale, lease, rent, commissioning, training, delivery, inspection, testing of, support, operations, inspection, maintenance, upgrade, repair, refurbishment, rebuilding, replacement, modification, repowering/fuel switching, relocation, localization, or other services, including project management, construction project management or consultation, plant, system or component licensing, siting support or consultation, environmental, safety, health, laboratory analysis, engineering studies, field engineering services, nondestructive testing, evaluation or analytical services, metallographic analysis, consulting services, troubleshooting, failure analysis, cleaning, upgrading, tooling, or decommissioning, related to: (a). Nuclear facilities and nuclear reactor plants, nuclear reactor systems, nuclear reactors, including all thermal reactors (including all heavy-water and light-water reactors), all water cooled reactors, all liquid metal cooled reactors (including sodium cooled reactors), gas cooled reactors (including helium, carbon dioxide and nitrogen) and molten salt reactors, breeder reactors, traveling wave reactors, high temperature reactors, small modular nuclear reactors, medical isotope reactors and components thereof and all Generation I, Generation II, Generation III and all advanced reactors, including and Generation IV reactors and iterations thereof regardless of design, and hybrid power