Narwal Robot Vacuum and Mop A relative newcomer to the world of robot vacuums, Narwal offers a sweeping and mopping hybrid that's pretty impressive. It's expensive and hampered by a cumbersome, slow learning curve application. To mop, you drop a sheet of detergent into the base station's clean water tank. https://robotvacuumcleaner97837.arwebo.com/50793439/best-rated-robot-vacuum-tools-to-help-you-manage-your-everyday-life