He was a very mechanical person, who knew a lot about sound.
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Related: mechanical
Prev: We must use mechanical hoisting to load the goods.
Next: In 1960 a well-known mathematician Norbert Wiener, who founded the field of cybernetics, put it this way ： "If we use, to achieve our purposes, a mechanical agency with whose operation we cannot effectively interfere, we had better be quite sure that the purpose put into the machine is the purpose which we really desire ．"
