Floating supports of metal for use as load support for solar panels; floating metal supports for photovoltaic installations used for electricity production; prefabricated metal supports, for use as load support for solar cells; prefabricated buildings of metal; building materials of metal, namely, load supports for photovoltaic panels; floating structures of metal for use as load support for photovoltaic panels; roofing, of metal, incorporating photovoltaic cells; supports of metal used for f...