In action or full operation
Having a job
The way in which a machine or other thing performs or functions.
She's working at the hospital to pay for her education.
But you haven't been working there all that long.
Working in a factory required learning a whole different rhythm of life.
Probably, but I wouldn't be working off that cake and ice cream, either.
So yeah, if you told them to choose between working and not working, many would choose to relax.