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Pima cotton, also called extra long staple (ELS), is a type of cotton grown primarily in Peru, the southwestern United States and Australia. It is considered to be one of the superior blends of cotton and is extremely durable and absorbent.
Answer Wiki. Yes, as the others have pointed out, Eli Whitney invented the saw gin, which is how most cotton is processed. There is another type of gin, the roller gin, which is used for extra long-staple cotton like Pima or Egyptian. It is much slower, but is also much easier on the fiber.