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The intersections of the various trench types become important as sewage outlets are filled. Small trenches always merge into larger ones. Trench drains are often employed to facilitate merging and continue to allow for traffic flow. |
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The intersections of the various trench types become important as sewage outlets are filled. Small trenches always merge into larger ones. Trench drains are often employed to facilitate merging and continue to allow for traffic flow. |
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