The development of a system of mass production in manufacturing meant that

The development of a system of mass production in manufacturing meant that the assembly line had a high volume of production rate. It also meant the use of heavy machineries that had changeable parts. Henry Ford was the first person who actually used the theory of mass production to great success in the earlier twentieth century. His success allowed several people to adopt this theory for getting success. The advertisers of that period used the assembly line designs to project several industries.   

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