Narwal Robot Vacuum and Mop Narwal is an relative newcomer to the market for robot vacuums. It offers a sweeping/mopping hybrid that's quite impressive. But it's also expensive and is hampered by a clunky application with a steep learning curve. To mop, you drop a detergent sheet into the base https://vacuummopcleanerrobot97357.yomoblog.com/33860408/what-experts-say-you-should-learn