Mailers who are sending flat-size mail (such as large envelopes) at Automation and Presorted First-Class Mail. prices. To use these prices, you must mail at least 500 pieces at a time, prepared and sorted according to Postal. Service guidelines.
From here, the liquid fractions are transported to other areas of the refinery for further. processing. Products from Petroleum. The products refined from the liquid fractions of crude oil can be placed into ten main categories. These main products are further refined to create materials more common to everyday life. The. ten main products of petroleum are: Asphalt. Asphalt is commonly used to make roads. It is a colloid of asphaltenes and maltenes that. is separated from the other components of crude oil by fractional distillation.
Petroleum is crude oil, a naturally occurring liquid that can be refined to make gasoline (or petrol), diesel fuel, jet fuel, home heating oil, lubricating oil, wax, asphalt, and many other valuable products. Crude oil usually occurs in subsurface deposits, but in some areas it leaks onto the surface in oil seeps.