| 11. | Aviation engineers have fully recognized the fuel tank problem only gradually.
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| 12. | Engineers are also designing a fuel tank liner to prevent punctures.
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| 13. | The fuel tank has been modified to prevent future foam losses.
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| 14. | Fresh zinc paste or pellets are taken from the fuel tank.
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| 15. | It is also fitted with auxiliary belly fuel tanks and winglets.
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| 16. | _Pumping more fuel into the center fuel tank of the 747.
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| 17. | A larger fuel tank was standard equipment in sedans and coupes.
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| 18. | The reserve position accesses the bottom portion of the fuel tank.
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| 19. | It also had a lighter fuel tank and a modified transmission.
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| 20. | This would require a rather large fuel tank on a car.
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