11 Apparatus for industrial steam generating, namely, steam generation for commercial purposes; apparatus, installations and appliances for industrial heating, namely, heating for commercial purposes; apparatus, installations and appliances for water supply, namely, water desalination installations; chemically activated warming and heating apparatus, namely, non-nuclear, zero-emissions, hydrogen-based heat generating installations; heat exchange and transfer apparatus other than parts of machines employing catalytic chemical reactions, excepting electric heat exchange and transfer apparatus