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| The Army Corps required that the pipe not be porous and that the joints not leak. In order to ensure this we had to vacuum test each section of pipe. | |
| Total images: 16 | Help | |
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| The Army Corps required that the pipe not be porous and that the joints not leak. In order to ensure this we had to vacuum test each section of pipe. | |
| Total images: 16 | Help | |