An ever-increasing number of seniors want to remain at home as they age. Cleaning is a way for the seniors to stay in shape, however it can be a physical challange.  Senti enables Bot-Handy to assist the cleaning process of the difficult areas, reducing the risk of falls and injuries. In easily accessible areas, human users can operate the vacuum cleaner themselves and remain active cleaning participants. We named the collaboration between human and robot is Co-Cleaning.