Pretty boring when you have to stand behind a desk for 6 hours without having the right to either sit, read, do homework or practically anything.
Only things that are interactive is cleaning the gym which barely takes up to an hour and customers coming to complain because the computer billing system that charges the monthly fee to them will block the payment half the time so you have to deal with that and make them pay manually. Might not sound like much but when you get 15 of these in a 5 hour shift, you'll understand.
Oh and did I forget to mention there are no breaks and that you mostly work alone? Yep. fascinating, I know.
No breaks, not allowed to do anything else than stand behind the counter and clean