Visor screens for protective helmets; panels made of plastic for use in solar collectors used for electricity generation; panels made of glass for use in solar collectors used for electricity generation; and panels made of plastic and glass for use in solar collectors used for electricity generation

Protective visor screens for helmets; panels made of plastic for solar collectors to be used for electricity generation; panels made of glass for solar collectors to be used for electricity generation; and panels made of plastic and glass for solar collectors to be used for electricity generation