42 Energy auditing; Design of solar energy generation equipment namely, photovoltaic cells and modules, electricity generators and inverters for the purpose of collecting and converting solar radiation into electricity, and solar batteries, for the purpose of storing electricity converted by solar radiation; management of solar energy generation equipment namely, photovoltaic cells and modules, electricity generators and inverters for the purpose of collecting and converting solar radiation into electricity, and solar batteries, for the purpose of storing electricity converted by solar radiation