Fuel cells; fuel cells for stationary applications; fuel cells for temporary power applications; fuel cells for transport applications; parts and fittings for fuel cells.

Development and promotional campaigns in relation to hydrogen energy; development and promotional campaigns in relation to hydrogen fuel cell energy.

Metal prefabricated buildings; metal prefabricated elements for building; prefabricated building components (metal); structures of metal for use as prefabricated building foundations; transportable buildings of metal; pipes of metal; tubes of metal; metal building materials

Non-metallic pipes for building purposes; non-metallic prefabricated building components; non-metallic prefabricated building elements; non-metallic prefabricated buildings; non-metallic transportable buildings; prefabricated drainage channels of synthetic material; prefabricated relocatable buildings (non-metallic) constructed in modular units; building materials, not of metal; rigid pipes (not of metal)