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When will the water supply and drainage test be done before completion? About the time to report these test data.
Few construction sites are done on the basis of water supply and drainage experiments. As long as the information is ready. There is also water supply and drainage test data. You can do it when he finishes the riser. These materials can be prepared in advance. You did it and printed it out. When he finished. You can fill in the time. It's signed

Some experienced librarians can do several construction sites. Someone else finished the information of a project in a month.