| 11. | The satellite had a mass of and a design life of 7.5 years.
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| 12. | The spacecraft have a mass of and a design life of 12 years.
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| 13. | The satellite has a mass of, and a design life of 7.5 years.
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| 14. | The satellite had a design life of 5 years and a mass of.
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| 15. | The spacecraft had a design life of 5 years and a mass of.
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| 16. | The satellite has a design life of 10 years and a mass of.
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| 17. | The spacecraft operated successfully for over four times its design life.
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| 18. | The design life of the bulb is approximately 60, 000 hours.
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| 19. | Most bridges have a design life of 40 to 50 years.
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| 20. | A design life of 10 years with a minimum five-year extension is envisioned.
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