Narrow specialization of tasks within a production process so that each worker can become a specialist in doing one thing, especially on an assembly line. In traditional industries (see sunset industries), division of labor is a major motive force for economic-growth. However, in the era of mass customization (which requires multiple skills and very short machine change-over time), division of labor has become much more flexible. Also called specialization of labor.
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Some limitations when determining the cause of an event are that other sources that are linked to the event in the same time can usually say things different; It is especially difficult if there is no solid base to the cause and no photographic or written evidence.
