Maximizing power output from photovoltaic (PV) panels relies on maintaining their cleanliness. Dust, debris, bird droppings, and even pollen can accumulate on the panel surfaces, lowering light absorption and hindering https://www.facebook.com/permalink.php?story_fbid=pfbid0JXyRXrQZ9q2kkN6ejFSkd4k7wt5y4v6ruAsmg1gkwm64BtUqiyuYyJAE9Lr5XNE9l&id=61581256989708&locale=sl_SI