It's a lot easier to remove dust from a dry surface (the wind may do it for you - I recently listened to an interview about Mars rovers[1], and they mentioned m

It's a lot easier to remove dust from a dry surface (the wind may do it for you - I recently listened to an interview about Mars rovers[1], and they mentioned most of the dust that gets on their cameras gradually blows away). [1] https://embedded.fm/episodes/371 https://embedded.fm/episodes/371