These additives are used to make the oil. amulti-grade motor oil, though it is possible to have a multi-grade oil without the use of VIIs. The idea is to cause the multi-. grade oil to have the viscosity of the base grade when cold and the viscosity of the second grade when hot.
Midland County is a county located in the U.S. state of Texas. As of the 2010 census, the population was 136,872. The county seat is Midland. The county is so named as the county is halfway (midway) between Fort Worth and El Paso on the Texas and Pacific Railway. Midland County is included in the Midland, TX Metropolitan Statistical Area as well as the Midlandâ Odessa Combined Statistical Area.
Bell County is a county located in the U.S. state of Texas. As of the 2010 census, its population was 310,235. Its county seat is Belton. The county was founded in 1850 and is named for Peter Hansborough Bell, the third governor of Texas. Bell County is part of the KilleenâTemple, TX Metropolitan Statistical Area. In 2010, the center of population of Texas was located in Bell County, near the town of Holland.