What is the operation of a robot vacuum? One or two spinning brushes are usually used in conjunction with one or more rolling brushes in the majority of robot vacuums. This combination of mechanisms works together to draw rubbish inwards, where it is sucked up into a waste bin by the suction mechanism. Everything that a robot model acquires is kept in a detachable compartment on the robot model. Are robot vacuums a good investment? In fact, robot vacuums are capable of keeping your floors clean. They're more than just a fun toy or a novelty item; in most houses, they may be a useful floor-care tool as well. In the event that you are short on time or just despise sweeping, a robot vacuum will most likely make your life simpler.