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. 0 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 works best at high elevations View Post . The world will likely need to mobilize its armies to fight climate change View Post . Solar should not be for the elite View Post