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2. Induction furnace - Wikipedia

   en.wikipedia.org/wiki/Induction_furnace

   Induction furnaces do not require an arc, as in an electric arc furnace, or combustion, as in a blast furnace. As a result, the temperature of the charge (the material entered into the furnace for heating, not to be confused with electric charge) is no higher than required to melt it; this can prevent the loss of valuable alloying elements. [5]

3. Furnace (central heating) - Wikipedia

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

   These furnaces were still big and bulky compared to modern furnaces, and had heavy-steel exteriors with bolt-on removable panels. Energy efficiency would range anywhere from just over 50% to upward of 65% AFUE. This style furnace still used large, masonry or brick chimneys for flues and was eventually designed to accommodate air-conditioning ...

4. Industrial furnace - Wikipedia

   en.wikipedia.org/wiki/Industrial_furnace

   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] They are used to provide heat for a process or can serve as reactor which provides heats of reaction.

5. Electric arc furnace - Wikipedia

   en.wikipedia.org/wiki/Electric_arc_furnace

   Industrial arc furnaces range in size from small units of approximately one-tonne capacity (used in foundries for producing cast iron products) up to about 400-tonne units used for secondary steelmaking. Arc furnaces used in research laboratories and by dentists may have a capacity of only a few dozen grams. Industrial electric arc furnace ...

6. Manitowoc Heating giving away free furnaces to those in need

   www.aol.com/manitowoc-heating-giving-away-free...

   MANITOWOC – Manitowoc Heating & Refrigeration Services Inc. is spreading the warmth by offering a free furnace to struggling families. Homeowners in need can be nominated to receive a new, high ...

7. FarmVille 2 Furnace: Everything you need to know - AOL

   www.aol.com/news/2012-11-12-farmville-2-furnace...

   With this new Furnace and that helpful tip, your productivity should shoot up, allowing you to earn more coins as you play. Good luck! Play FarmVille 2 on Zynga.com now >