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.
In this example, the R designates this tire as a radial tire. Radial tires have layers of fabric whose cords run at right angles to the circumference of the tire and whose tread is strengthened by additional layers around the circumference making it the most common type of automotive tire.