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.
In many areas you can find a hotel willing to rent to 18 year old, but not always. But they mean everyone in the room is 18 - so this is not likely to work. Be prepared for all the schemes and plans of the boys. I will register and he will sneak in They won't check ID etc.n many areas you can find a hotel willing to rent to 18 year old, but not always. But they mean everyone in the room is 18 - so this is not likely to work. Be prepared for all the schemes and plans of the boys. I will register and he will sneak in They won't check ID etc.