12505 running status 12505 train 12505 train running status north east ex today's time of northeast express up northeast sf express running status.
Refining is the process of reducing the impurities in a substance. You can't turn crude oil into gasoline without first refining it. Refining is nowadays most commonly associated with the processing of petroleum products such as oil and gas, but it also applies to precious metals, especially those used in jewelry. Sugar is another substance that undergoes refining, which makes it less grainy and more consistent.
Define refinery. refinery synonyms, refinery pronunciation, refinery translation, English dictionary definition of refinery. n. pl. reÂ·finÂ·erÂ·ies An industrial plant for purifying a crude substance, such as petroleum or sugar. n , pl -eries a factory for the purification of some...