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2. 1963 Indiana State Fairgrounds Coliseum gas explosion

   en.wikipedia.org/wiki/1963_Indiana_State...

   The cause of the explosion was identified as the five LP gas tanks, each with a capacity of 100 pounds (45 kg) of propane, [20] that had been recovered and moved to the Fire Headquarters. [58] This was confirmed in a technical report issued by engineers from Purdue University on December 4, 1963, that said that LP gas that had leaked from the ...

3. Infrared heater - Wikipedia

   en.wikipedia.org/wiki/Infrared_heater

   Radiant tube heaters; Radiant tube gas-fired heaters used for industrial and commercial building space heating burn natural gas or propane to heat a steel emitter tube. Gas passing through a control valve flows through a cup burner or a venturi. The combustion product gases heat the emitter tube.

4. Rocket mass heater - Wikipedia

   en.wikipedia.org/wiki/Rocket_mass_heater

   Rocket mass heaters are developed from rocket stoves, a type of wood-burning stove, and masonry heaters. A primary design of a rocket mass heater consists of an insulated combustion chamber where fuel is burned with high efficiency at high temperature, and a large thermal mass in contact with the exhaust gases , which absorbs most of the ...

5. 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.

6. AOL.com - News, Sports, Weather, Entertainment, Local & Lifestyle

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   AOL latest headlines, entertainment, sports, articles for business, health and world news.

7. News, Politics, Sports, Mail & Latest Headlines - AOL.com

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   Get breaking news and the latest headlines on business, entertainment, politics, world news, tech, sports, videos and much more from AOL

8. Spiral watertube boiler - Wikipedia

   en.wikipedia.org/wiki/Spiral_watertube_boiler

   The water level of these boilers was around 3/4 of the height of the tube tiers, [3] so that the upper tubes were filled with steam rather than water. Above the tube banks a single flat spiral tube was used as an economiser or feedwater heater. [2] The furnace used to fire these large boilers was annular, often with four or more separate firedoors.

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