Picking up the twigs, leaves and trash which have been blown out in the panel and slicing the branches that include the panel as acceptable โครงสร้างยึดแผงโซลาร์เซลล์บนหลังคาให้มั่นคง In the case with the roof that will be mounted being a steel sheet Or tiles or no matter what will be the purlin 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/