Excerpt from Plumbing for the Home and FarmsteadDrainage system. – Tightly plug all openings, excluding the highest one.Fill the system with water, and let the water stand for about 15 min utes. Then check all the system for leaks.In regards to the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of the most important historical work. Forgotten Books uses cutting-edge technology to digitally reconstruct the work, preserving the original format even as repairing imperfections present within the aged copy. In rare cases, an imperfection within the original, such as a blemish or missing page, is also replicated in our edition. We do, then again, repair the majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.