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.
Booking not available in this language. You must be 21 years of age to enter the Bellagio casino or any gaming areas. Guests must be at least 21 years of age to gamble in the resort. You must be at least 18 years of age or a registered hotel guest to enter the Bellagio resort.