Surveying apparatus and instruments; photographic and measuring apparatus and instruments, namely, photographic filters and measuring apparatus for measuring temperature and humidity levels in gases and solid substances; fuel cells; proton exchange membranes fuel cells; 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; downloadable computer software to monitor, control, analyse, track and administer industrial processes and printed circuits; recorded software to monitor, control, analyse, track and administer industrial processes; electric resistances; temperature indicators; water level indicators; downloadable computer programmes to monitor, control, analyse, track and administer industrial processes; recorded computer programmes to monitor, control, analyse, track and administer industrial processes; blank magnetic computer tapes; pressure measuring apparatus; separation columns for gas chromatography for laboratory use; hydrometers; semi-permeable membranes for scientific use; membranes for filtration, namely, laboratory membranes for filtration; filtration membranes for laboratory apparatus; hollow fibre membrane elements for use in the science and research industry

Lighting installations; heating installations; installations and apparatus for refrigerating; installations and apparatus for desalination, namely, desalination units and water desalination plants; installations and apparatus for drying, namely, drying apparatus for chemical processing; installations and apparatus for air conditioning; installations and apparatus for regulating water supply; installations and apparatus for regulating water supply, namely, water filters; installations and apparatus for gas separation and gas storage; installations and apparatus for gas separation and gas storage, namely, separators for the cleaning and purification of gases; incinerators; heat accumulators; cooling and freezing apparatus, namely, cooling filters; water treatment apparatus and installations, namely, purifiers, filters, separators and cleaners for the use in purification of water; distillation apparatus and columns not for scientific purposes, for industrial use and for chemical processing; chimney flues; pressure regulators for water and gas installations; safety accessories for gas pipes, namely, flashback arrestors and reverse flow check valves; regulating accessories for water supply, namely, metered valves; 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 filters in the nature of membranes 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 in the field of chemical and industrial engineering, pollution control, energy and energy efficiency; 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