| 11. | Blackberry, dog rose and African daisy are mainly confined to drainage lines and areas near the Dam.
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| 12. | Earlier in the day, engineers managed to work around a heater problem in a water-drainage line aboard Atlantis.
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| 13. | Drainage lines are laid with creek, river or the sea for drainage discharge . ( page38 to 40)
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| 14. | It is the most threatening weed in the park and has spread to invade water-and nutrient-rich drainage lines.
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| 15. | In some cases downspouts empty into buried drainage lines or ceramic drainage tiles instead of onto the ground.
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| 16. | These have been sealed with up to 12 feet of concrete, with a drainage line set in the concrete.
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| 17. | The largely flat surrounding surface falls to a drainage line inside this fence before levelling out in the centre.
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| 18. | These almost parallel drainage lines flow in northern direction to discharge into either Manila Bay or Laguna de Bay.
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| 19. | Water conduits were constructed using natural drainage lines in the granite and by cementing flat stones with a natural mortar.
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| 20. | It is the most threatening weed in the park and has spread to invade water and nutrient rich drainage lines.
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