| 11. | There is debate about which variety of sump pump is better.
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| 12. | Alternative sump pump systems can be driven by municipal water pressure.
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| 13. | Float switches must be clear of any obstructions within the sump.
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| 14. | The sump had a glass window to inspect the oil level.
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| 15. | No records describing the construction of the sump have been found.
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| 16. | A remote sump allows for a clutter-free display tank.
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| 17. | Roof sump drains are not recommended for general roof drainage systems.
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| 18. | The flaw is a sump that sucks down Stone's art.
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| 19. | A French drain is most often connected to a sump and pump.
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| 20. | Make the sump bigger : 18 inches square and 24 inches deep.
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