http://arcdog.com/architects/c....erealdraw4/activity/
https://notes.io/w99wX
Robots That Vacuum and Mop Robots that vacuum and mop provide the convenience of cleaning dry debris (dust, dirt) and wet messes (spills or stains) in one go without the need to switch out devices. They also can save storage space compared to having two separate units, particularly in smaller living spaces. A good combination bot should be able to navigate well and have excellent obstacles avoidance. Look for models that can automatically empty their bins and refill their water tank and machine-wash