A mass tort is a civil action involving numerous plaintiffs against one or a few corporate defendants. The tort may involve, for example, personal injuries suffered by numerous plaintiffs as a result of a defective product, or a mass disaster in which there were many injured persons, such as an airplane crash, or exposure of a large group of people to toxic chemicals or pharmaceuticals.
Mangum is a city in Greer County, Oklahoma, United States. The population was 2,924 at the 2000 census. It is the county seat of Greer County. Mangum is home to the fourth longest-lasting light bulb, located in a fire house, according to the The Guinness Book of World Records.