| 21. | Half the kids on the team, their dads graduated from Boron.
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| 22. | No . Not if you've spent any time in Boron.
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| 23. | A white bathtub ring has built up from the boron.
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| 24. | In the experiment, the group first bombarded the silicon with boron.
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| 25. | The blue color is attributed to boron in the stone.
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| 26. | Davis said, " than beating Boron ."
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| 27. | Cubic boron nitride has a crystal structure analogous to that of diamond.
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| 28. | Turkey and the United States are the largest producers of boron products.
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| 29. | The form in which boron is consumed has changed in recent years.
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| 30. | These boron impurities change the diamond's color to slightly blue.
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