The image below is a schematic flow diagram of a typical oil refinery that depicts the various unit processes and the flow of intermediate product streams that occurs between the inlet crude oil feedstock and the final end products.
In order to check-in into a hotel, the person must be 21 years old.  If the person is younger than 21, then a parent or guardian can  give permission for them to check-in. 1 person found this useful.
Yes, you can stay at any hotel that has a casino, but the casino area is off limits to underage guests. If you are under the age minimum for check ins then you must be accompa â¦ nied by an adult.Some hotels will not rent rooms to anyone under the age of 18 or 21.1 person found this useful.ome hotels will allow it, depending on their policy. Quite often, teens rent a suite of rooms to party on prom or graduation night. Some hotels will allow it if an adult will register the room in their name and assume responsibility for any damages, etc. Just call the hotel(s) and ask what their policy is on this.