Picking up the twigs, leaves and trash which are blown out on the panel and cutting the branches that cover the panel as suitable ลงมือติดตั้งแผงโซล่าและอุปกรณที่เกี่ยวข้อง In the case with the roof that can be mounted being a metallic sheet Or tiles or no matter what is the purlin construction 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/