Crude oil topping units fill a need for crude oil producers that have domestic requirements for diesel, fuel oil, kerosene, AGO, LPG or asphalt but donât have total refining capacity. Essentially they are atmospheric distillation units that produce hydrocarbon boiling point cuts from resid to LPG. topping unit is an inexpensive, technically simple means to enhance the value of crude oil near the source of production. Crude oil distillation is an energy intensive process that requires crude oil heaters with cross heat exchangers.
In the U.S., the legal definition of an Antique is any item over 100 years old. The term Vintage is used to describe something that is second generation or older. So the toys your parents played with, or the clothes they wore when they were your age would be considered Vintage but not Antiques.
How Old Does a Car Have to be to be Considered an Antique? You're wondering if your old car is an antique and whether or not it classifies for the Antique Exempt status from your state. Whether or not your car is considered an antique depends on who you're asking and what state you live in. On the average, though, for a car to be considered a Classic Car it must be at least 25 years old, and 50 years old for it to be considered an Antique Car. However, some states consider anything made after the end of the Forties a Classic, and anything from 1949 back to be an Antique.