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  2. 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.

  3. Tile drainage - Wikipedia

    en.wikipedia.org/wiki/Tile_drainage

    Water enters the tile line either via the gaps between tile sections, in the case of older tile designs, or through small perforations in modern plastic tile. [9] The installation of the tiles or tile line can involve a trencher ( Ditch Witch ), a mole plough , a backhoe , or other heavy equipment .

  4. Septic drain field - Wikipedia

    en.wikipedia.org/wiki/Septic_drain_field

    Cross-section of weeping tile and leach field A drain field being installed. Many health departments require a percolation test ("perc" test) to establish the suitability of drain field soil to receive septic tank effluent.

  5. Weep (architecture) - Wikipedia

    en.wikipedia.org/wiki/Weep_(architecture)

    Another type of weep is a tube that can be made formed by using hollow plastic or metal. The spacing between the tubes is about 16 inches (41 cm) apart. The installation of the tubes are done at angle to allow water to drip out. If the angle is too steep, the opening hole inside the wall cavity will be too high for water to come out.

  6. Tile - Wikipedia

    en.wikipedia.org/wiki/Tile

    Tiles are often used to form wall and floor coverings, and can range from simple square tiles to complex or mosaics. Tiles are most often made of ceramic , typically glazed for internal uses and unglazed for roofing, but other materials are also commonly used, such as glass, cork, concrete and other composite materials, and stone.

  7. Euclidean tilings by convex regular polygons - Wikipedia

    en.wikipedia.org/wiki/Euclidean_tilings_by...

    Following Grünbaum and Shephard (section 1.3), a tiling is said to be regular if the symmetry group of the tiling acts transitively on the flags of the tiling, where a flag is a triple consisting of a mutually incident vertex, edge and tile of the tiling. This means that, for every pair of flags, there is a symmetry operation mapping the first ...

  8. Pythagorean tiling - Wikipedia

    en.wikipedia.org/wiki/Pythagorean_tiling

    A Pythagorean tiling Street Musicians at the Door, Jacob Ochtervelt, 1665.As observed by Nelsen [1] the floor tiles in this painting are set in the Pythagorean tiling. A Pythagorean tiling or two squares tessellation is a tiling of a Euclidean plane by squares of two different sizes, in which each square touches four squares of the other size on its four sides.

  9. Weeping Tile (band) - Wikipedia

    en.wikipedia.org/wiki/Weeping_Tile_(band)

    Although Weeping Tile have not recorded a new album as a group since the breakup, they still play together on stage in Kingston, [10] and sometimes perform on each other's solo recordings. They also recorded a cover of Rheostatics' "Public Square" for the 2007 tribute album The Secret Sessions, with both Wright and Harmer sharing vocal duties. [11]

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