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  2. Drum heater - Wikipedia

    en.wikipedia.org/wiki/Drum_heater

    Industrial heaters of this type have an isolated heating element embedded in a glass fibre mat. Silicone coated drum heaters are suitable for steel drums, whereas polyester coatings at lower temperatures can be used for plastic containers. As these heaters are flexible and wrap around the container they may also be called band heaters.

  3. Hand pump - Wikipedia

    en.wikipedia.org/wiki/Hand_pump

    The depth from which a hand pump will suck is limited by atmospheric pressure to an operating depth of less than 7 meters. [5] The height to which a hand pump will lift is governed by the ability of the pump and the operator to lift the weight in the delivery pipe.

  4. Rocket mass heater - Wikipedia

    en.wikipedia.org/wiki/Rocket_mass_heater

    Although in some sense simply a variation on a masonry heater, most rocket mass heaters are distinct in producing immediate radiant heat (from the metal "burn" barrel), in being constructed of much cheaper materials (usually a cob mass, 55 gallon steel drum, and small brick firebox), and in requiring less robust a base to be constructed on ...

  5. Home Depot - Wikipedia

    en.wikipedia.org/wiki/Home_Depot

    This is an accepted version of this page This is the latest accepted revision, reviewed on 10 February 2025. American multinational home improvement supplies retailing company The Home Depot, Inc. An aerial view of a Home Depot in Onalaska, Wisconsin Company type Public Traded as NYSE: HD DJIA component S&P 100 component S&P 500 component Industry Retail (home improvement) Founded February 6 ...

  6. Water-tube boiler - Wikipedia

    en.wikipedia.org/wiki/Water-tube_boiler

    The heated water/steam mixture then rises into the steam drum. Here, saturated steam is drawn off the top of the drum. In some [which?] services, the steam passes through tubes in the hot gas path, (a superheater) to become superheated. Superheated steam is a dry gas and therefore is typically used to drive turbines, since water droplets can ...

  7. Thermosiphon - Wikipedia

    en.wikipedia.org/wiki/Thermosiphon

    A thermosiphon (or thermosyphon) is a device that employs a method of passive heat exchange based on natural convection, which circulates a fluid without the necessity of a mechanical pump. Thermosiphoning is used for circulation of liquids and volatile gases in heating and cooling applications such as heat pumps, water heaters, boilers and ...