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OpenStudy (anonymous):

Who is credited with putting the concept of using mass-produced interchangeable parts into practice? DeWitt Clinton Eli Whitney Cyrus McCormick Peter Cooper

OpenStudy (anonymous):

Eli Whitney is answer come look at my question to help!

OpenStudy (anonymous):

thanks :)

OpenStudy (anonymous):

Please help me on my answer for this one and get a medal! http://openstudy.com/study#/updates/546a6172e4b01c57691c5812

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