Jones and Cassidy went on to play mother and son on The Partridge Family, which debuted in the fall of 1970. Danny Bonaduce and Susan Dey were also key members of the cast.
Sour crude oil. Sour crude oil is crude oil containing a high amount of the impurity sulfur. It is common to find crude oil containing some impurities. When the total sulfur level in the oil is more than 0.5% the oil is called sour.
This is as a result of the high amounts of sulfur in the. crude oil, making it a perfect example of sour oil (Farahbod et al, 2014). Nigerian crude has proven its. international oil market desirability as a sweet oil, impacting no or negligible corrosion on the mild steel.