| 21. | Criticality was achieved in September 1959 with final shutdown completed in December 1961.
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| 22. | The lack of criticality in some chapters is disappointing.
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| 23. | Hence organization should move through the principle of criticality and principle of scarcity.
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| 24. | The brick acted as a neutron reflector, bringing the mass to criticality.
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| 25. | This was the first known criticality accident causing a fatality . [ 7]
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| 26. | And hence the criticality of what Mukesh has done.
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| 27. | If any of these requirements are violated, criticality can occur, he said.
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| 28. | Construction was completed and the reactor reached initial criticality on March 23, 1974.
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| 29. | No criticality accidents have resulted in nuclear explosions.
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| 30. | LOPO achieved criticality, in May 1944 after one final addition of enriched uranium.
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