Goes around every corner and collects all the dust. Very powerful. Draws a map, remembers where and how he cleaned, there are cleaning logs. A terribly long application response, you press cleaning and only after a couple of minutes it starts sending what has been done to the phone, sometimes longer, the room will already pass, and it is drawn on the phone near the station. Sometimes the application generally dumps all the information and loads the room from the log. Fortunately, everything remains in the phone's memory. Cleaning is 5+, but the application is 3 (there are a lot of bells and whistles, but it takes a long time to load and is buggy), but in general, you can not use it much, but clean everything.
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