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: The check-in time for most hotels is 3:00 pm and check-out time can be as early as 11:00 am, regardless of your arrival or departure times. Please refer to your E-Docs for check-in and check-out dates as this may differ from your departure and return date.