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 One Big Union was an idea in the late 19th and early 20th centuries amongst trade unionists to unite the interests of workers and offer solutions to all labour problems. Unions initially organised as craft or trade unions. Workers were organised by their skill: carpenters, plumbers, bricklayers, each into their respective unions. Capitalists could often divide craft and trade unionists along these lines in demarcation disputes. As capitalist enterprises and state bureaucracies became more ce