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.
Both incoming crude oil and the outgoing final products need to be stored. These liquids are stored in large tanks on a tank farm near the refinery. Pipelines then carry the final products from the tank farm to other tanks across the country. Refineries process crude oil into many different petroleum products.