Narwal Robot Vacuum and Mop A relative newcomer to the world of robot vacuums, Narwal offers a sweeping and mopping combination that's impressive. It's expensive and hampered by a slow, clunky learning-curve application. To mop, you drop a detergent sheet into the base station's water tank that is clean. Then https://robot-vacuum-that-vacuums50147.blogvivi.com/28225540/five-best-rated-robot-vacuum-lessons-from-the-pros