electrical cells; electrical cells and batteries; photovoltaic apparatus and installations for generating solar electricity; photovoltaic apparatus for converting solar radiation to electrical energy; photovoltaic apparatus for the production of electricity; photovoltaic cells; modules for photovoltaic power generation; photovoltaic cells and modules; photovoltaic modules; crystalline silicon solar cells; solar cells; photovoltaic cells and solar electric panels; solar electric panels; solar energy collectors for electricity production; solar energy collectors for generating electricity; solar panel installations for generating electricity; solar panels for electricity generation; solar panels for production of electricity; solar panels and solar energy collectors for the production of electricity; solar panels for the production of electricity