| 41. | In tribology, liquids are studied for their properties as lubricants.
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| 42. | Lubricants, Idemitsu's first product is a major area.
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| 43. | The distribution of fuels and lubricants became the primary business activity.
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| 44. | :: : Better lubricants would reduce friction and improve efficiency.
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| 45. | They started off with one product : Wet brand personal lubricant.
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| 46. | Ammonium sulfite can be included in lubricants for cold metal working.
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| 47. | With Downer s financial backing, the firm perfected its lubricant.
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| 48. | This was the main lubricant until petroleum was discovered in 1854.
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| 49. | As well as fuels and lubricants, the Westfalen tyre services.
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| 50. | Dry lubricant sprayed on the tracks might help, too.
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