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.
Types of Bike Tire Tube Stems. A bike tire tube stem is the small metal valve on a bicycle tube that allows you to attach a pump and fill up your tire with air. The tube stem typically comes in two different designs, each with its own advantages and disadvantage. Schraeder Bicycle Tube Valve: