How about a self-cleaning house? https://mobile.nytimes.com/2017/07/18/us/frances-gabe-dead-inventor-of-self-cleaning-house.html https://mobile.nytimes.com/201

How about a self-cleaning house? https://mobile.nytimes.com/2017/07/18/us/frances-gabe-dead-inventor-of-self-cleaning-house.html https://mobile.nytimes.com/2017/07/18/us/frances-gabe-dead-i...