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2. Furnace (central heating) - Wikipedia

   en.wikipedia.org/wiki/Furnace_(central_heating)

   In some areas electrical resistance heating is used, especially where the cost of electricity is low or the primary purpose is for air conditioning. Modern high-efficiency furnaces can be up to 98% efficient and operate without a chimney, with a typical gas furnace being about 80% efficient. [ 1 ]

3. Industrial furnace - Wikipedia

   en.wikipedia.org/wiki/Industrial_furnace

   An industrial chamber furnace, used to heat steel billets for open-die forging. An industrial furnace, also known as a direct heater or a direct fired heater, is a device used to provide heat for an industrial process, typically higher than 400 degrees Celsius. [1]

4. American Radiator Company - Wikipedia

   en.wikipedia.org/wiki/American_Radiator_Company

   The factory was acquired by the American Radiator Company in 1898, and a new company established as the Compagnie Nationale de Radiateurs, with a capital of 500,000 francs. Courtot became the managing director of the plant. [17] The company had with low wage costs and fair productivity, resulting in a saving compared to importing products.

5. Centrifugal fan - Wikipedia

   en.wikipedia.org/wiki/Centrifugal_fan

   Centrifugal fans often contain a ducted housing to direct outgoing air in a specific direction or across a heat sink; such a fan is also called a blower, blower fan, or squirrel-cage fan (because it looks like a hamster wheel). Tiny ones used in computers are sometimes called biscuit blowers. These fans move air from the rotating inlet of the ...

6. AOL Calendar - You're almost there, but your web browser ...

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7. Pulverized coal-fired boiler - Wikipedia

   en.wikipedia.org/wiki/Pulverized_coal-fired_boiler

   Coal is ground to the size of a fine grain, mixed with air and burned in the flue gas flow. Biomass and other materials can also be added to the mixture. Coal contains mineral matter which is converted to ash during combustion. The ash is removed as bottom ash and fly ash. The bottom ash is removed at the furnace bottom.