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  2. Metal Gear Solid 3: Snake Eater - Wikipedia

    en.wikipedia.org/wiki/Metal_Gear_Solid_3:_Snake...

    Metal Gear Solid 3: Subsistence was released in Japan on December 22, 2005, later in North America on March 14, 2006, [61] in Europe on October 6, 2006, and in Australia on October 13, 2006. [62] Subsistence continues the Metal Gear Solid series tradition of follow-up expanded versions.

  3. 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.

  4. Water heating - Wikipedia

    en.wikipedia.org/wiki/Water_heating

    Under the pre-2015 standard, a 75 US gal (280 L; 62 imp gal) gas storage water heater with a nominal input of 22 kW (75,000 BTU/h) or less was able to have an energy factor as low as 53%, while under the 2015 standard, the minimum energy factor for a 75-US-gallon gas storage tank water heater is now 74%, which can only be achieved by using ...

  5. Metal Gear Solid Delta: Snake Eater - Wikipedia

    en.wikipedia.org/wiki/Metal_Gear_Solid_Delta:...

    Metal Gear Solid Delta: Snake Eater retains the core gameplay mechanics first implemented in Metal Gear Solid 3 and refined from the foundation of previous Metal Gear titles, involving Snake having to be controlled by the player as he traverses a variety of environments both in tropical and industrial settings while evading hostile enemies, traps and other methods of surveillance that can ...

  6. Substitute natural gas - Wikipedia

    en.wikipedia.org/wiki/Substitute_natural_gas

    In this way, the production of renewable gas can be phased in at the same rate as the production capacity is increased. The gas market and infrastructure the natural gas has contributed with is a condition for large scale introduction of renewable biomethane produced through anaerobic digestion ( biogas ) or gasification and methanation bio-SNG.

  7. Condensing boiler - Wikipedia

    en.wikipedia.org/wiki/Condensing_boiler

    Condensing boilers are water heaters typically used for heating systems that are fueled by gas or oil. When operated in the correct circumstances, a heating system can achieve high efficiency (greater than 90% on the higher heating value) by condensing water vapour found in the exhaust gases in a heat exchanger to preheat the circulating water.