Palm recognition In palm recognition a 3-dimensional image of the hand is collected and compared to the stored sample. Palm recognition devices are cumbersome artefacts (unlike fingerprint and iris recognition devices) but can absorb perform a great amount of identification acts in a short time. They are therefore preferably installed in situations where a large number of people is identified, as in airports.

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Mass production The term mass production refers to the application of the principles of specialization, division of labor, and standardization of parts to the manufacture of goods. The use of modern methods of mass production has brought such improvements in the cost, quality, quantity, and variety of goods available that the largest global population in history is now sustained at the highest general standard of living. A moving conveyor belt installed in a Dearborn, Michigan, automobile plant in 1913 cut the time required to produce flywheel magnetos from 18 minutes to 5 and was the first instance of the use of modern integrated mass production techniques.

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