| 41. | The repair involves lubricating the switch assembly with a special fluorine grease.
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| 42. | Stribeck systematically studied the variation of friction between two liquid lubricated surfaces.
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| 43. | The solution was to lubricate the bearing with the oxygen.
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| 44. | They do not have the lubricating qualities necessary to prevent dry eye.
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| 45. | The coolant washes away chips and keeps the blade cool and lubricated.
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| 46. | Mineral oil enemas can assist by lubricating the stool for easier passage.
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| 47. | Loss of lubrication can be addressed by re-lubricating the tapes.
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| 48. | Tears lubricate the lid and are important for the refraction of light.
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| 49. | Oil is used since it is self lubricating and stable.
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| 50. | Leather fibres that are dry and un-lubricated break very easily.
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