7 Machines and plants thereof and mechanical equipment in the field of energy and environmental technology, namely, fixing and mounting structure, cables for renewable energy, monitoring devices, DC-AC converters and auxiliary elements for the overall function of a renewable energy project; solar-powered electricity generators and special plants thereof in the nature of electricity generators, including solar modules, DC-AC converters, fixing and mounting structures, cabling, power transformers, monitoring and all auxiliary components for the overall function of the system, on water; solar powered electricity generators and special plants thereof in the nature of electricity generators, including solar modules, DC-AC converters, fixing and mounting structures, cabling, power transformers, monitoring and all auxiliary components for the overall function of the system, on arable land and other land used for agriculture; solar-powered electricity generators and special plants thereof in the nature of electricity generators, including solar modules, DC-AC converters, fixing and mounting structures, cabling, power transformers, monitoring and all auxiliary components for the overall function of the system on parking areas; wind power plants being wind turbines , DC-AC converters, fixing and mounting structures, cabling, power transformers, monitoring and all auxiliary components for the overall function of the system, on land; wind power plants being wind turbines, DC-AC converters, fixing and mounting structures, cabling, power transformers, monitoring and all auxiliary components for the overall function of the system on the sea and other water, including elements installed on islands and mainlands; combined solar-powered electricity generators and wind power plants being wind turbines as hybrid plants; solar-powered electricity generators and special plants thereof, including solar modules, DC-AC converters, fixing and mounting structures, cabling, power transformers, monitoring and all auxiliary components for the overall function of the system; power generation plants, namely, electricity generators; machinery and mechanical plant being machinery for the production of hydrogen; machinery and mechanical plant being machinery for the synthesis of methanol, ammonia and other hydrogen derivatives; uninterruptible power generating machinery; machinery and mechanical plant being machinery for the removal of carbon dioxide from the air and from industrial fumes; machinery and mechanical plant being machinery for the transport of electricity energy; machinery and mechanical plant being machinery for the transport of hydrogen and its derivatives, namely methanol, fuels, e.g. Kerosene, diesel, gasoline, methane, ethanol and ammonia