A robotic vacuum cleaner is commonly known as robovac which has intelligent programming and a system that cleans the floor. It also includes manual operation via remote control and a "self-drive" mode which allows the machine to clean automatically without being control. Some designs also use spinning brushes to reach http://www.rechtsreferendare-koeln.de/index.php?option=com_k2&view=itemlist&task=user&id=277851