Fuel cells; fuel cell parts and connection fittings, namely, anodes, cathodes, electrolysers, electric connections, power connectors, electric cables, wires, conductors and connection fittings therefor; battery parts and connection fittings, namely, battery cases, battery separators, battery terminals, plates for batteries, electric connections, power connectors, electric cables, wires, conductors and connection fittings therefor; fuel battery cells; fuel cell stacks; fuel cell modules; fuel ...