Adam. Smith has a classic case on the scale of scale: "Do a few processes in the needle: The first one will pull the wire, and the other pull it straight, the third cut it, The fourth puts it sharpened, the other of the fifth putting the needle, in order to install the needle; the single is the needle need three
The road will work a special job in the needle, so that the light is another special work, and even a separate work is also a separate work. I have seen a small factory that operates this business, only 10 people, so some are one of two or three steps. Although they are very bitter, only have some necessary machines, but when they work, they can make a needle 12 pounds a day. A pound of about 4000 needles of the medium size is more than 4,000. Therefore, these 10 people can have more than 48,000 root a day. If they don't collaborate, they are manufactured alone, and each person makes it will not exceed 20, or even one needle is not yet. "
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