Narwal Robot Vacuum and Mop Narwal is an relative newcomer to the robotic vacuum market. It offers a sweeping/mopping hybrid that is pretty impressive. However, it's expensive and is hampered by a clunky application with a steep learning curve. To mop, drop an ointment sheet into the base station's clean https://robot-vacuum-black-friday35219.elbloglibre.com/27614870/the-little-known-benefits-of-best-rated-robot-vacuum