OTTUMWA — On a damp, raw morning, 50 years of history was all lined up at John Deere Works Ottumwa. At one end was the most basic and greasiest hydraulic-powered machine; the end of the row featured a ...
Aircraft carriers are among the largest and most complicated pieces of military equipment to ever exist. These giant machines are so complex to manufacture that even the United States has only 11 of ...
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