Narwal Robot Vacuum and Mop A relative newcomer to the robot vacuum space, Narwal offers a sweeping and mopping combination that's impressive. But it's also expensive and hobbled by a clunky app with a steep curve. To mop, drop an ointment sheet into the base station's water tank that is https://automatic-vacuum-and-mop93103.blog5star.com/28056407/what-experts-in-the-field-want-you-to-know