Top quality: WTI is considered a "light-weight sweet" crude oil, which is much easier to refine, though Brent is usually a mixture of crude oils, like both of those "light-weight sweet" and "hefty bitter" grades. Detect how the proceedings and etiquette are totally unique. Likely to an AAMP thinking that https://socdirectory.com/listings775170/the-smart-trick-of-oil-that-nobody-is-discussing