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2. Brick-lined well - Wikipedia

   en.wikipedia.org/wiki/Brick-lined_well

   Brick-lined wells were typical of 19th century farmsteads in rural Illinois. [8] In the Shijiazhuang area of Hebei, China, irrigation using wells was highly developed before the Revolution. Five or six men could dig a brick-lined well with a depth of 7 to 10 metres (23 to 33 ft) in a week. This could irrigate crops over an area of up to 20 mu.

3. 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.

4. Septic drain field - Wikipedia

   en.wikipedia.org/wiki/Septic_drain_field

   A septic drain field, a septic tank, and associated piping compose a septic system. The drain field typically consists of an arrangement of trenches containing perforated pipes and porous material (often gravel) covered by a layer of soil to prevent animals (and surface runoff) from reaching the wastewater distributed within those trenches. [1]

5. Septic tank - Wikipedia

   en.wikipedia.org/wiki/Septic_tank

   A septic tank is an underground chamber made of concrete, fiberglass, or plastic through which domestic wastewater flows for basic sewage treatment. [2] Settling and anaerobic digestion processes reduce solids and organics, but the treatment efficiency is only moderate (referred to as "primary treatment"). [2]

6. Sanitary manhole - Wikipedia

   en.wikipedia.org/wiki/Sanitary_manhole

   The heights of this section vary depending on the depths of the manholes. Near the top is the cone section where it reduces from the size of the chamber to the size of the cover. Chimney section, also known as shaft, is a straight and narrow section that sits on top of the cone section but below the cover. The last is the cover section. [14 ...

7. His wives kept dying mysteriously. His secret poison: Insulin

   www.aol.com/news/wives-kept-dying-mysteriously...

   Police believed William Dale Archerd killed three of his wives, two men, and his 15-year-old nephew. From left, top, are William Edward Jones Jr., Zella Winders Archerd and Juanita Plum Archerd.