This vacuum cleaner can only be used on glass that is clean but has a light layer of dust on it. At least four different methods are required in order to clean dirty huge glass. For illustration purposes, the window in the office is 2.2 by 3 meters in size. Over half an hour goes by as the robot just circles it once. And you will need a total of 4 of them. Taking into account both points of view, this is a tremendously pointless expenditure of time. In such a scenario, the vacuum cleaner can just quit working on its own. squeak. It is unreasonable to leave him alone because he may decide to leave at any moment. I used it to clean the windows of five office buildings. It took nearly a week to complete. At the same time, each and every one of the edges have become separated, and the corners have become unclean. I do not suggest.
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