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.
A person of the minimum age requirement must be present at check-in time and become a registered guest in the room. At Dollywood's DreamMore Resort, children are 17 years old and younger and room rate may vary on child's age. Please note that you may only book multiple rooms of the same room type. The maximum number of people (combined adults and children) allowed per room is typically four (4) guests, depending on room type.