هناك ٣ درجات من منتجات الطاقة الشمسية يمكنك استخدامها أ , ب و ج. نحن نستخدم الدرجة أ فقط A, B, and C. We only use grade A. Share This Previous Post← One of the biggest problems in Lebanon is the exceptionally poor construction quality of its buildings One of the biggest problems in Lebanon is the exceptionally poor construction quality of its buildings Next PostLifePo4 batteries are some of the safest batteries in the world → LifePo4 batteries are some of the safest batteries in the world You May Also Like . Solar frames are typically weighted with cement or drilled into the roof View Post . Solar is the solution to climate change. Period View Post . One of the biggest problems in Lebanon is the exceptionally poor construction quality of its buildings View Post