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.
To enter the casino you must be 19 years of age or older. Security will request ID from patrons who appear under 30 years of age. Patrons who appear 21 years of age or younger will be asked to present two pieces of ID. Please note: the Casino will only accept valid Government issued photo identification for the purposes of determining age or identity.