| 21. | The ligaments within the joint become thickened and menisci can become damaged and wear away.
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| 22. | Rocks were solid but water could wear away rock.
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| 23. | Because our bickering will wear away at my father.
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| 24. | Constant dripping wears away a stone, the saying goes.
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| 25. | They can chip or wear away, and stains easily seep into pores, seams and voids.
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| 26. | Rodent incisors grow and wear away continually through gnawing, which helps maintain relatively constant length.
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| 27. | The river wears away the soft rock first, sculpting pools and small falls and chutes.
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| 28. | Also, when soil particles are blowing they wear away at the plants that they run into.
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| 29. | After moult birds appear less colourful, until the tips of the newly grown feathers wear away.
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| 30. | As the cartilage wears away completely, you could be walking around with bone rubbing against bone.
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