Hydrogen; catalysts for use in control of hydrogen emissions; chemical compositions and materials for use in science; chemical substances, chemical materials, chemical preparations and natural fertilizers; detergents for use in manufacture and industry; fillers for vehicle body and tyre repair; putties, and fillers and pastes for use in industry; salts for industrial purposes; sensitised paper; starches for use in manufacturing and industry; resins (synthetic -), unprocessed; unprocessed plastics

Maintenance and repair of energy generating installations; installation of energy-saving apparatus; repair of energy supply installations; repair of energy production plants and machines; construction of geothermal energy generating installations being structures; construction of wave energy power plants; extraction of natural resources; installation services of apparatus and instruments for accumulating and storing electricity; installation services of electric control devices for energy management; installation services of energy regulators; installation services of apparatus and instruments for controlling electricity; installation services of apparatus, instruments and cables for electricity; installation services of solar energy collectors for electricity generation; installation services of electric and electronic components; installation services of electric cables and wires; installation services of electrical circuits and circuit boards; installation services of electricity measuring instruments; installation services of temperature measuring instruments; installation services of testing and quality control devices; installation services of solar energy collectors for heating; installation services of solar energy powered heating installations; installation services of solar energy powered heating apparatus; installation services of thermal storage apparatus [solar energy] for heating; installation services of heat pumps for energy processing; installation services of burners, boilers and heaters; installation services of hvac systems (heating, ventilation and air conditioning); installation services of nuclear installations; installation services of vehicle hvac systems (heating, ventilation and air conditioning); installation services of flues and installations for conveying exhaust gases; installation services of gas cleaners and purifiers

Distribution of energy; distribution of renewable energy; electricity supply services; storage of energy and fuels; transport