Advertisement
Oil REFINERY PROCESSES
Amazing
Advertisement Refining Operations Petroleum refining processes and operations can be separated into five basic areas: Fractionation (distillation) is the separation of crude oil in atmospheric and vacuum distillation towers into groups of hydrocarbon compounds of differing boiling-point ranges called “fractions” or …
Expiration Dates on Car Seats: Why?
Car Talk
Advertisement You have a car seat for your child’s protection, but even the most protective parents can be confused by car seat expiration dates. Car seats aren’t perishable foodstuffs that go “off” after a set amount of time, but they …