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  2. Water heating - Wikipedia

    en.wikipedia.org/wiki/Water_heating

    An 80 US gal (300 L; 67 imp gal) electric storage tank water heater was able to have a minimum energy factor of 86% under the pre-2015 standard, while under the 2015 standard, the minimum energy factor for an 80-gallon electric storage tank water heater is now 197%, which is only possible with heat pump technology. This rating measures ...

  3. Hot water storage tank - Wikipedia

    en.wikipedia.org/wiki/Hot_water_storage_tank

    Water heater tanks may be made of vitreous enamel-lined carbon steel, stainless steel, or copper. While copper and stainless steel domestic hot water tanks are more commonplace in Europe, carbon steel tanks are more common in the United States, where typically the periodic check is neglected, the tank develops a leak whereupon the entire ...

  4. Storage water heater - Wikipedia

    en.wikipedia.org/wiki/Storage_water_heater

    Solar heat is clean and renewable. This is the most modern system. Increasingly, solar powered water heaters are being used. Their solar thermal collectors are installed outside dwellings, typically on the roof or walls or nearby, and the potable hot water storage tank is typically a pre-existing or new conventional water heater, or a water heater specifically designed for solar thermal.

  5. Stock tank - Wikipedia

    en.wikipedia.org/wiki/Stock_tank

    See Stock tank oil for oil industry stock tank definition. A stock tank is used to provide drinking water for animals such as cattle or horses. Stock tanks can range in size from 100 liters to over 5500 liters (30 to 1500 gallons) and typically are made of galvanized steel. These tanks are filled either by a pump, windpump, creek, spring, rely ...

  6. Energy storage - Wikipedia

    en.wikipedia.org/wiki/Energy_storage

    In 2016, a limited version of the Tesla Powerpack 2 cost $398(US)/kWh to store electricity worth 12.5 cents/kWh (US average grid price) making a positive return on investment doubtful unless electricity prices are higher than 30 cents/kWh. [86] RoseWater Energy produces two models of the "Energy & Storage System", the HUB 120 [87] and SB20. [88]

  7. Petron Corporation - Wikipedia

    en.wikipedia.org/wiki/Petron_Corporation

    Petron Megaplaza in Makati, Philippines was Petron's headquarters from 1998 to 2010.. Petron's history dates back to September 7, 1933, when Socony-Vacuum Oil Company (Standard Oil of New York) and Standard Oil of New Jersey (also known as Jersey Standard) merged their interests in the Far East into a 50–50 joint venture named the Standard Vacuum Oil Company (Stanvac).

  8. Stock tank oil - Wikipedia

    en.wikipedia.org/wiki/Stock_Tank_Oil

    Other properties such as Molecular Weight, saturated aromatic resin and asphaltene (SARA), refractive index, wax appearance temperature, asphaltene precipitation, and acid number, are also specified at Stock Tank conditions. [1] Typically stock tank conditions are 14.7 psia and 60 °F (101,325 Pa and 16 °C).Flowrates of oil are commonly ...

  9. Category:Military equipment of the Philippines - Wikipedia

    en.wikipedia.org/wiki/Category:Military...

    Military equipment of the Philippines is military equipment developed by the Philippines. Subcategories. This category has the following 5 subcategories, out of 5 ...