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  2. Water heat recycling - Wikipedia

    en.wikipedia.org/wiki/Water_heat_recycling

    Installation of a double-walled copper-on-copper heat exchanger in a vertical section of the master drain line in a Canadian home (2007) Water heat recycling (also known as drain water heat recovery, waste water heat recovery, greywater heat recovery, [citation needed] or sometimes shower water heat recovery [citation needed]) is the use of a heat exchanger to recover energy and reuse heat ...

  3. Water heating - Wikipedia

    en.wikipedia.org/wiki/Water_heating

    Water typically enters residences in the US at about 10 °C (50 °F), depending on latitude and season. Hot water temperatures of 50 °C (122 °F) are usual for dish-washing, laundry and showering, which requires that the heater raise the water temperature about 40 °C (72 °F) if the hot water is mixed with cold water at the point of use.

  4. Drain cleaner - Wikipedia

    en.wikipedia.org/wiki/Drain_cleaner

    A drain cleaner, also known as drain opener, refers to a person, device, or product used to unblock sewer pipes or clear clogged wastewater drains.This term typically applies to chemical, enzymatic, or mechanical tools such as commercial chemical cleaners, plumber’s snakes, drain augers, bio-enzyme solutions, or toilet plungers.

  5. 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.

  6. Feedwater heater - Wikipedia

    en.wikipedia.org/wiki/Feedwater_heater

    A Rankine cycle with two steam turbines and a single open feedwater heater. A feedwater heater is a power plant component used to pre-heat water delivered to a steam generating boiler. [1] [2] [3] Preheating the feedwater reduces the irreversibilities involved in steam generation and therefore improves the thermodynamic efficiency of the system ...

  7. Water trough - Wikipedia

    en.wikipedia.org/wiki/Water_trough

    …at a velocity of 15 miles an hour [24 km/h] the water is lifted 7 + 1 ⁄ 2 ft. [2.3 m], this was exactly the result attained in practice by the apparatus; at this speed the water was raised to the top of the delivery pipe (7 + 1 ⁄ 2 ft. [2.3 m]), and was there maintained without running over into the tender whilst the scoop was in action ...

  8. Forty Foot Drain - Wikipedia

    en.wikipedia.org/wiki/Forty_Foot_Drain

    The main land drain in Holland Fen (as distinct from the River Witham, which is designed to carry water past the fens without being part of them) is known as the North Forty Foot Drain. That of the Black Sluice fens is the South Forty-Foot Drain .

  9. Bedpan - Wikipedia

    en.wikipedia.org/wiki/Bedpan

    A bedpan or bed pan is a device used as a receptacle for the urine and/or feces of a person who is confined to a bed and therefore not able to use a toilet or chamber pot. Bedpans can be either reusable or disposable, and include several different types.

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