(i) Henry Ford adopted the assembly line of a Chicago slaughterhouse to his new car plant in Detroit. (ii) The assembly line allowed a faster and cheaper way of producing vehicles. It forced workers to repeat a single task mechanically and continuously. (iii) This increased their efficiency in the single task and the speed of production too. (iv) Standing in front of the conveyer belt, no worker could delay the motion or take a break. (v) In the beginning many workers quit, since they could not cope up with the stress of work. (vi) Henry Ford doubled their ‘wages and against that he not only increased the speed of the conveyer belt but also banned trade unions.