| 摘要 |
<p>A solar panel 2 and a cleaning element are disclosed. The cleaning element is secured with respect to the solar panel and has a free portion 18 arranged to be disturbable by an airflow to flay an outer surface of the solar panel 2, thereby displacing material on the surface. The cleaning element may comprise a transparent flexible strip 2 and the airflow is preferably normal wind conditions.</p> |
