Mise en place
Mise en place refers to keeping everything ready for service.
For more details you read article What is mise en place in hotel? Activity involve in Mise en place
Mise en scene
mise en scene in a hotel refers to preparing the environment of the area in order to make it pleasant, comfortable, safe & hygienic. For the waiter in the service area.
For more details you can read the article What is mise en scene in hotel? activity involve in Mise en scene