Selecting up the twigs, leaves and trash which can be blown out of your panel and cutting the branches that protect the panel as ideal โครงยึดสำหรับหลังคาคอนกรีต → ต้องเจาะยึดกับโครงสร้าง In the situation in the roof that could be installed being a metal sheet Or tiles or regardless of what may be 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/