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  2. Quooker - Wikipedia

    en.wikipedia.org/wiki/Quooker

    The Quooker Flex brought a new function to the table, namely a flexible extension hose for hot and cold water. The Quooker Cube was introduced in 2019, which means that the Quooker tap can now also facilitate chilled and sparkling water, all from one tap.

  3. Instant hot water dispenser - Wikipedia

    en.wikipedia.org/wiki/Instant_hot_water_dispenser

    An instant hot water dispenser or boiling water tap is an appliance that dispenses water at about 94 °C (201 °F) (near-boiling). There are hot-only and hot and cool water models, and the water may be filtered as well as heated. Instant hot water dispensers became popular in the 1970s.

  4. Tankless water heating - Wikipedia

    en.wikipedia.org/wiki/Tankless_water_heating

    The main advantages of tankless water heaters are a plentiful, practically limitless continuous flow of hot water (as compared to a limited flow of continuously heated hot water from conventional tank water heaters), and potential energy savings under some conditions due to the use of energy only when in use, and the elimination of standby ...

  5. Tap (valve) - Wikipedia

    en.wikipedia.org/wiki/Tap_(valve)

    Tap generally refers to a keg or barrel tap, though also commonly refers to a faucet that supplies either hot or cold water and not both. [ citation needed ] It also appears as a descriptor in " tap water " (i.e. water purified for domestic use).

  6. Water pouring puzzle - Wikipedia

    en.wikipedia.org/wiki/Water_pouring_puzzle

    Water pouring puzzles (also called water jug problems, decanting problems, [1] [2] measuring puzzles, or Die Hard with a Vengeance puzzles) are a class of puzzle involving a finite collection of water jugs of known integer capacities (in terms of a liquid measure such as liters or gallons). Initially each jug contains a known integer volume of ...

  7. Drinking water - Wikipedia

    en.wikipedia.org/wiki/Drinking_water

    Typically in developed countries, tap water meets drinking water quality standards, even though only a small proportion is actually consumed or used in food preparation. Other typical uses for tap water include washing, toilets, and irrigation. Greywater may also be used for toilets or irrigation. Its use for irrigation however may be ...

  8. Hot chocolate effect - Wikipedia

    en.wikipedia.org/wiki/Hot_chocolate_effect

    Hot chocolate effect manifestation. The hot chocolate effect is a phenomenon of wave mechanics in which the pitch heard from tapping a cup of hot liquid rises after the addition of a soluble powder. [1] [2] The effect is thought to happen because upon initial stirring, entrained gas bubbles reduce the speed of sound in the liquid, lowering the ...

  9. Hot tapping - Wikipedia

    en.wikipedia.org/wiki/Hot_tapping

    Hot taps can range from a ½ inch hole designed for something as simple as quality control testing, up to a 48-inch tap for the installation of a variety of ports, valves, t-sections or other pipes. Hot Tap Procedures: A. A hot tap saddle, service saddle or welded threadolet, valve installed, assembly is pressure tested and hot tap machine ...