Buying up the twigs, leaves and trash which can be blown out of your panel and slicing the branches that cover the panel as acceptable ลงมือติดตั้งแผงโซล่าและอุปกรณที่เกี่ยวข้อง In the situation with the roof that may be mounted being a metallic sheet Or tiles or whatsoever will be the purlin structure In https://bluetechsolarcell.com/solar-rooftop-%e0%b8%82%e0%b8%ad%e0%b8%99%e0%b9%81%e0%b8%81%e0%b9%88%e0%b8%99/