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rraul 11/7/2008 | 0 (0) | 0 | 0 | 0 | English
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The US Air Force describes fuel cell that carries the advantages of a solid oxidizer. more>>
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Ben_Longjas 10/13/2008 | 0 (0) | 51 | 1 | 0 | 0
CHAPTER 8
Fuel Economy
Not oniy labor but many commodities are needed in the performance of railway service. Fuel, lubricants, building materials, and
numerous other articles are used up in the production of transportation. The ratio between the amount of movement performed and the quantity of any commodity consumed in the process may vary ... more>>
guym13 10/31/2008 | 0 (0) | 1 | 0 | 0 | English
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