7
Small power stations which are self-contained or can be integrated in combined power station and generation systems and motors for generating electricity from waste heat, gases or cooling water, consisting predominantly of motors, generators, heat regenerators, batteries (electricity storage units) and control and regulation technology apparatus; Generators using waste heat and internal combustion engines with coupled heat exchangers for generating electricity and heat, being integrated units in the form of energy recovery modules; Small power stations which are self-contained or can be integrated in combined power station and generation systems and motors in the form of modules for sustainable, CO2-neutral generation, recovery and providing of electricity and mechanical energy via the conversion of waste heat, gases and cooling water from different industrial, transport and mechanical energy generation processes using heat exchangers, evaporators, expansion machines, condensers and pumps
37
Installation, maintenance and repair of small power stations which are self-contained or can be integrated in combined power station and generation systems, motors, machines and accessories in connection with the generation, conversion, recovery and providing of electricity and mechanical energy