Michael W. Morrissey was elected in 2010 as Norfolk District Attorney. Prior to his election, he served as the State Senator from the Norfolk and Plymouth District from 1992 to 2010. In addition, he served in the Massachusetts House of Representatives from 1977 to 1992.
A pneumatic tire is a round, rubber tire that is inflated with air. The most common example of pneumatic tires in everyday life is the tires on an automobile. The pneumatic tire can also be found on bicycles, wheelchairs and forklifts.
CARS.COM â Green caps on tire valve stems usually mean the tires are filled with nitrogen instead of ordinary oxygen. Car dealers, tire dealers, repair shops and even some gas stations have touted nitrogen for several years as a better alternative to air based on claims that nitrogen doesn't leak as much, so tires stay fully inflated longer.