Narwal Robot Vacuum and Mop A relative newcomer to the robot vacuum space, Narwal offers a sweeping and mopping system that's impressive. It's expensive and hindered by a cumbersome, slow learning curve application. To mop, you drop a sheet of detergent into the base station's water tank that is clean. https://best-rated-robot-vacuum22820.articlesblogger.com/50710527/eufy-robot-vacuum-tools-to-ease-your-life-everyday