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  2. Tankless water heating - Wikipedia

    en.wikipedia.org/wiki/Tankless_water_heating

    Gas tankless water heater (Taiwan) On the other hand, tankless water heaters also have some disadvantages: [8] Startup costs: Beyond the 2x-4x larger initial purchase price (as compared to a tanked water heater), installing a tankless system comes at an increased cost, particularly in retrofit applications. They tend to be particularly ...

  3. Condensed milk - Wikipedia

    en.wikipedia.org/wiki/Condensed_milk

    Condensed milk is cow's milk from which water has been removed (roughly 60% of it). It is most often found with sugar added, in the form of sweetened condensed milk, to the extent that the terms "condensed milk" and "sweetened condensed milk" are often used interchangeably today. [1]

  4. Prime Minister of the United Kingdom - Wikipedia

    en.wikipedia.org/wiki/Prime_Minister_of_the...

    The British system of government is based on an uncodified constitution, meaning that it is not set out in any single document. [13] The British constitution consists of many documents and most importantly for the evolution of the office of the prime minister, it is based on customs known as constitutional conventions that became accepted practice.

  5. Flameless ration heater - Wikipedia

    en.wikipedia.org/wiki/Flameless_ration_heater

    The heater is a plastic bag filled with magnesium and iron powders and table salt. When a meal pouch is placed in the bag and water is added, an exothermic reaction occurs which rapidly boils the water to heat the food. The U.S. Army began research into a chemical method to heating meals in 1973. The FRH was first issued in May 1990, and an FRH ...

  6. Central heating - Wikipedia

    en.wikipedia.org/wiki/Central_heating

    Circulating hot water can be used for central heating. Sometimes these systems are called hydronic heating systems. [22] Common components of a central heating system using water-circulation include: A supply of fuel, electric power or district heating supply lines; A boiler (or a heat exchanger for district heating) which heats water in the system

  7. Lactation - Wikipedia

    en.wikipedia.org/wiki/Lactation

    A poor milk ejection reflex can be due to sore or cracked nipples, separation from the infant, a history of breast surgery, or tissue damage from prior breast trauma. If a mother has trouble breastfeeding, different methods of assisting the milk ejection reflex may help.

  8. Pasteurization - Wikipedia

    en.wikipedia.org/wiki/Pasteurization

    Pasteurized milk in Japan A Chicago Department of Health poster explains household pasteurization to mothers.. In the field of food processing, pasteurization (also pasteurisation) is a process of food preservation in which packaged and unpacked foods (e.g., milk and fruit juices) are treated with mild heat, usually to less than 100 °C (212 °F), to eliminate pathogens and extend shelf life.

  9. Auto-defrost - Wikipedia

    en.wikipedia.org/wiki/Auto-defrost

    "Frost-Free" refrigerator/freezer units usually use a heating element to defrost their evaporators, a pan to collect and evaporate water from the frost that melts from the cold plate and/or evaporator coil, a timer which turns off the compressor and turns on the defrost element usually from once to 4 times a day for periods usually ranging from ...