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.
You must be 21 years old to gamble or loiter at a casino in Atlantic City. There are security guards located throughout every casino that can and will approach you for ID. You â¦ may also be asked for ID when cashing in your chips.