https://www.openlearning.com/u..../rohdegoldberg-sokki
https://grantham-thygesen.hubs....tack.net/the-biggest
A Robot Vacuum That Also Mops Many robots that vacuum or mop come with features like scheduling, self-emptying docks, and other features that will help you keep your floors spotless. They can be costly especially those which do both jobs. The best robots have obstacles avoidance and mapping which allows them to navigate furniture legs, socks and wires. You