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  2. Simplified sewerage - Wikipedia

    en.wikipedia.org/wiki/Simplified_sewerage

    Schematic of a simplified sewer: Smaller diameter pipes are laid at a shallower depth and at a flatter gradient than for conventional sewers. [1]Simplified sewerage, also called small-bore sewerage, is a sewer system that collects all household wastewater (blackwater and greywater) in small-diameter pipes laid at fairly flat gradients.

  3. Pressure sewer - Wikipedia

    en.wikipedia.org/wiki/Pressure_sewer

    Pressure sewers enable properties constructed below the nearest gravity main to connect to the local sewerage system avoiding the need for a septic tank or cesspit. [4] In areas where washouts or earthquakes are common, conventional earthenware or cast iron sewerage system may be prone to breakage and leakage.

  4. French drain - Wikipedia

    en.wikipedia.org/wiki/French_drain

    A diagram of a traditional French drain. A French drain [1] (also known by other names including trench drain, blind drain, [1] rubble drain, [1] and rock drain [1]) is a trench filled with gravel or rock, or both, with or without a perforated pipe that redirects surface water and groundwater away from an area.

  5. Sewerage - Wikipedia

    en.wikipedia.org/wiki/Sewerage

    Map of Seattle sewer districts, 1894. The main part of such a system is made up of large pipes (i.e. the sewers, or "sanitary sewers") that convey the sewage from the point of production to the point of treatment or discharge. Sewers under construction in Ystad, Sweden. Types of sanitary sewer systems that all usually are gravity sewers include:

  6. List of sewing stitches - Wikipedia

    en.wikipedia.org/wiki/List_of_sewing_stitches

    Sailmaker's stitch – may refer to any of the hand stitches used for stitching canvas sails, including the flat stitch, round stitch, baseball stitch, herringbone stitch. [ 2 ] Slip stitch – form of blind stitch for fastening two pieces of fabric together from the right side without the thread showing

  7. 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]

  8. Blind stitch - Wikipedia

    en.wikipedia.org/wiki/Blind_stitch

    A blind stitch in sewing is a method of joining two pieces of fabric so that the stitch thread is invisible (or nearly invisible) during the normal use of the finished product. Blind stitching uses a folded edge of the fabric to hide the stitches; therefore, this type of stitch can be used to create a blind hem or to join two folded edges together.

  9. National Association of Sewer Service Companies - Wikipedia

    en.wikipedia.org/wiki/National_Association_of...

    The National Association of Sewer Service Companies or NASSCO is a not-for-profit North American trade organization, established in 1976 "to increase the awareness of aging underground infrastructure and to provide viable solutions through education, technical resources and industry advocacy". [1]

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