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  2. Brick-lined well - Wikipedia

    en.wikipedia.org/wiki/Brick-lined_well

    Water seeps into a cavity in the open bottom, or comes up from a pipe sunk down from the center of the well into the water-bearing sand. [14] The top part of the well should prevent foreign matter or surface water from entering the well, so should be impervious. The top of the well should be protected and the area around the well drained. [13]

  3. Bucket toilet - Wikipedia

    en.wikipedia.org/wiki/Bucket_toilet

    A plastic bucket fitted with a toilet seat for comfort and a lid and plastic bag for waste containment. A bucket toilet is a basic form of a dry toilet whereby a bucket (pail) is used to collect excreta. Usually, feces and urine are collected together in the same bucket, leading to odor issues.

  4. Well - Wikipedia

    en.wikipedia.org/wiki/Well

    A risk with the placement of water wells is soil salination which occurs when the water table of the soil begins to drop and salt begins to accumulate as the soil begins to dry out. [25] Another environmental problem that is very prevalent in water well drilling is the potential for methane to seep through.

  5. Rain gutter - Wikipedia

    en.wikipedia.org/wiki/Rain_gutter

    A roof must be designed with a suitable fall to allow the rainwater to discharge. The water drains into a gutter that is fed into a downpipe. A flat roof should have a watertight surface with a minimum finished fall of 1 in 80. They can drain internally or to an eaves gutter, which has a minimum 1 in 360 fall towards the downpipe.

  6. History of water supply and sanitation - Wikipedia

    en.wikipedia.org/wiki/History_of_water_supply...

    A Chinese ceramic model of a well with a water pulley system, excavated from a tomb of the Han Dynasty (202 BCE – 220 CE) period. Some of the earliest evidence of water wells are located in China. The Neolithic Chinese discovered and made extensive use of deep drilled groundwater for drinking.

  7. Pail closet - Wikipedia

    en.wikipedia.org/wiki/Pail_closet

    A pail closet or pail privy or dirt closet was a room used for the disposal of human excreta, under the "pail system" (or Rochdale system) of waste removal. The " closet " (a word which had long meant " toilet " in one usage) was a small outhouse (privy) which contained a seat, underneath which a portable receptacle was placed.

  8. Cricket (roofing) - Wikipedia

    en.wikipedia.org/wiki/Cricket_(roofing)

    In some cases, a cricket can be used to transition from one roof area to another. On low-slope and flat roofs with parapet walls, crickets are commonly used to divert water to the drainage, against or perpendicular to the main roof slope. The pitch of a cricket is sometimes the same as the rest of the roof, but not always. For Steep-slope roofs ...

  9. Groundwater-related subsidence - Wikipedia

    en.wikipedia.org/wiki/Groundwater-related_subsidence

    San Joaquin Valley surface change. The arid areas of the world are requiring more and more water for growing populations and agriculture. In the San Joaquin Valley of the United States, groundwater pumping for crops has gone on for generations. This has resulted in the entire valley sinking an extraordinary amount, as shown in the figure. [4]

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