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How to Properly Maintain a Robot Vacuum Robot vacuums are great for midweek cleaning and are particularly useful for homes with children and pets. They are not a substitute for an electric vacuum. You can customize the cleaning settings of many robot mops with an app. You can, for instance, set virtual boundaries that stop the robot from entering dangerous areas, such as pets' playpens for children or even pet beds. How They Work Robot vacuums make use of sensors to sense walls, furniture and other obstacles