| 21. | Investigations showed suicide may first have been attempted by gassing.
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| 22. | The subway gassing killed 12 and injured thousands of others.
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| 23. | Manhole ` gassing'leads to High Court, HONGKONG STANDARD
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| 24. | The gassing killed 12 people . ( cd-may)
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| 25. | Japanese police have conducted crackdowns on the group since the subway gassing.
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| 26. | Gassing is important because it controls the explosivity of eruptions,
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| 27. | The subway gassing was Aum's most horrific crime.
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| 28. | Control of the envelope temperature prevents some types of gassing.
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| 29. | In 1940, Adolf Hitler ordered the gassing of all mental patients.
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| 30. | Colorado performed the last pre-Furman gassing in 1967.
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