Roomba.
servant
A janator.
A maid
The vacuum robot cleans your floor like a regular vacuum. But the robot vacuum does it by a press of as button. You don't even have to do it yourself, it makes one job less that you have to do.
It depends on what kind of robot you are talking about.
All bamboo cleans the air to a greater oor lesser degree.
He is a core.
What kind of a question is that?!?
penny bath
3d whiting (crest)
A window viper would be the your answer !