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Robot Vacuum Cleaners Reviews A robot vacuum is an effective tool to keep your home clean of dirt, pet hair and other dust particles that can cause allergic reactions. They must be maintained regularly to ensure they function at their best. Even the most elegant models can end up stuck in furniture or door thresholds and get caught in things like shoelaces and cords. Follow these suggestions to keep your robot vacuum operating smoothly: Object Detection Robots can't climb stairs or reach into tight corners