The iRobot Roomba 4900 cleans dirt and dust from hardwood floors, tile, linoleum, carpet as well as from all other surfaces. The iRobot company is a leading manufacturer of robotic devices. As a part of their Roomba series, the iRobot Roomba 4900 includes all the features of the future generation robot vacuum cleaner.
This vacuum cleaner [...]

Human beings started designing and building machines for minimizing the effort needed to do a job. The earlier machines like pulleys were built around this objective only. Later on with progress in technology, machines were built that could do jobs which were impossible for human beings to do.Vacuum cleaners were also built to minimize the [...]