Question

Eighteen flesh and blood machines is a reference to?

Answer 1

Answer:

American Film Institute Catalogue, 1921-1930

Progressive Silent Film List: Flesh and Blood

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Answer 2

Answer:

that it took eighteen men  to make a single pin replaced by machines of steel  

Explanation:

in old days it was a difficult  task to make a pin ,and all the work was done by a single worker. he was handling all the tasks from raw material to finished goods and also selling it to costumers. but today no one can do all the work on their own, because of the lack of knowledge . Hope the answer is done .