Installations and apparatus for lighting, heating, cooking, refrigerating, desalination, drying, ventilating, air conditioning and water supply; separators for the cleaning and purification of gases; incinerators; heat accumulators; cooling and freezing apparatus; water treatment apparatus and installations, distillation apparatus and columns; flues for heating boilers; regulating and safety accessories for water, gas or oil apparatus and pipes; installations relating to membrane filtration technology namely modules and membrane cartridges being filtering apparatus for separation and purification of gases, air and liquids; filtering apparatus for liquids, gases and air, incorporating compound filter membranes for industrial, biotechnological, pharmaceutical, medical and scientific purpose; apparatus for use in purification of fuels and biofuels, including ethanol, fuel gas, fuel oil and mineral fuel; apparatus incorporating membranes for use in purification of fuels and biofuels, including ethanol, fuel gas, fuel oil and mineral fuel; apparatus for use in purification of air and of water; separators and membranes (filters) for the cleaning and purification of gases; gas separation membranes being part of separators for the cleaning and purification of gases; apparatus for the supply and filtering of water, fuels and organic compounds; apparatus for effluent treatment.;
Consultancy and advisory services relating to the use of energy, energy efficiency, development and research relating to the energy supply industries and conservation of energy; technical, technological, scientific, research and design services; consultancy relating to membrane technology; consultancy relating to technical project forecasting and implementation, computer programming, design of computer software, engineering, engineering drawing, pollution control, manufacturing efficiency, use of energy; oil-well testing; well-bore surveying services.;