An air brake or, more formally, a compressed air brake system, is a type of friction brake for vehicles in which compressed air pressing on a piston is used to apply the pressure to the brake pad needed to stop the vehicle.
Define industrial union. industrial union synonyms, industrial union pronunciation, industrial union translation, English dictionary definition of industrial union. n. A labor union to which all the workers of a particular industry can belong regardless of their occupation or trade. n a labour organization in which all...
The Industrial Workers of the World, members of which are commonly termed Wobblies, is an international labor union that was founded in 1905 in Chicago, Illinois in the United States of America. The union combines general unionism with industrial unionism, as it is a general union whose members are further organized within the industry of their employment. The philosophy and tactics of the IWW are described as revolutionary industrial unionism, with ties to both socialist and anarchist labor