Surveying, photographic and measuring apparatus and instruments; fuel cells; proton exchange membranes; power cables; photovoltaic cells and modules; electrical cells and batteries; battery chargers; accumulators; anode batteries; anodes; clothing for protection against accidents and/or fire; computers; electric installations for the remote control of industrial operations; light conducting filaments; software and printed circuits; electric resistances; temperature indicators; water level indicators; computer programmes; magnetic tapes; pressure measuring apparatus; separation columns for gas chromatography; hydrometers; semi-permeable membranes for scientific use; membranes for filtration [scientific]; filtration membranes for laboratory apparatus; hollow fibre membrane elements for scientific use

Installations and apparatus for lighting, heating, cooking, refrigerating, desalination, drying, ventilating, air conditioning, water supply, gas separation, gas storage; incinerators; heat accumulators; cooling and freezing apparatus; water treatment apparatus and installations, distillation apparatus and columns; chimney flues; regulating and safety accessories for water, gas or oil apparatus and pipes; installations relating to membrane filtration technology for water, fuel and organic compound treatment, namely, modules and membrane cartridges for separation and purification of water, fuel and organic compounds; water, fuel and organic compounds filtering apparatus 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 cleaning and purification of gases; gas separation membranes being part of separators for the cleaning and purification of gases

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 studies and 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