أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Solar system project
in poor country with huge number of people could this solar system compete with the government electricity and you will be leader in this field if you can to withstand against the competition and Patient until the cost become lower
it is based on pv cells and batteries to save energy.it is very expensive this is on short
