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2. Sanitary manhole - Wikipedia

   en.wikipedia.org/wiki/Sanitary_manhole

   A sanitary manhole (sewer manhole, [1] sanitary sewer manhole [2] or sewer maintenance hole [3]) is a manhole that is used as an access point for maintenance and inspection of an underground sanitary sewer system. Sanitary manholes are sometimes used as vents to prevent the buildup of pressurized sewage gas. [4]

3. Garden hose - Wikipedia

   en.wikipedia.org/wiki/Garden_hose

   This fitting is used with 1 ⁄ 2-inch, 5 ⁄ 8-inch, and 3 ⁄ 4-inch hoses. [4] [5] In other countries, a British Standard Pipe (BSP) thread is used, which is 3 ⁄ 4 inch (19 mm) and 14 TPI (male part outside diameter is 26.441 mm or 1.04 in). The GHT and BSP standards are not compatible, and attempting to connect a GHT hose to a BSP fitting ...

4. Drain-waste-vent system - Wikipedia

   en.wikipedia.org/wiki/Drain-waste-vent_system

   A sewer pipe is normally at neutral air pressure compared to the surrounding atmosphere.When a column of waste water flows through a pipe, it compresses air ahead of it in the system, creating a positive pressure that must be released so it does not push back on the waste stream and downstream traps, slow drainage, and induce potential clogs.

5. Best Garden Hoses for Lawn and Garden Upkeep - AOL

   www.aol.com/lifestyle/best-garden-hoses-more...

   Of the 50-foot hoses we tested, the smallest diameter was 7/16-inch, which held 3.25 pounds of water. The 1/2-inch hose and 5/8-inch hose held 73- and 104-percent more water by weight ...

6. Sanitary sewer - Wikipedia

   en.wikipedia.org/wiki/Sanitary_sewer

   Stoneware sanitary sewer (bottom) submerged in trash and fecalia. Sanitary sewer overflow can occur due to blocked or broken sewer lines, infiltration of excessive stormwater or malfunction of pumps. In these cases untreated sewage is discharged from a sanitary sewer into the environment prior to reaching sewage treatment facilities. To avoid ...

7. Metal hose - Wikipedia

   en.wikipedia.org/wiki/Metal_hose

   The result was a permanently flexible, leak-tight steel body of any length and diameter with a high mechanical strength. In France it was patented on 4 August 1885 with the patent number 170 479, and in Germany on 27 August 1885 with the German Reichspatent No. 34 871.