| 41. | The Colt's acetylene flash lantern was employed for night signals.
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| 42. | Acetylene was then processed into suspension polyvinylidene dichloride and acrylonitrile.
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| 43. | Workers wave acetylene torches with one hand and smoke cigarettes with the other.
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| 44. | It was the second explosion caused by an acetylene torch in four days.
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| 45. | Police cut the chains with an acetylene torch and towed the barge away.
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| 46. | Firefighters using acetylene torches cut open the twisted metal and removed seven bodies.
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| 47. | Acetylene is used to volatilize carbon in radiocarbon dating.
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| 48. | One curious discovery of acetylene is on Enceladus, a moon of Saturn.
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| 49. | When treated with powdered elemental silver the iodoform is reduced, producing acetylene.
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| 50. | Acetylene acts like ethylene and accelerates the ripening process.
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