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  2. Fireplace - Wikipedia

    en.wikipedia.org/wiki/Fireplace

    A fire is contained in a firebox or fire pit; a chimney or other flue allows exhaust gas to escape. A fireplace may have the following: a foundation, a hearth, a firebox, a mantel , a chimney crane (used in kitchen and laundry fireplaces), a grate, a lintel , a lintel bar, an overmantel , a damper , a smoke chamber, a throat, a flue, and a ...

  3. Fire pit - Wikipedia

    en.wikipedia.org/wiki/Fire_pit

    Dakota fire pit. The Dakota fire pit is an efficient, simple fire design that produces little to no smoke. [1] Two small holes are dug in the ground: one for the firewood and the other to provide a draft of air. Small twigs are packed into the fire hole and readily combustible material is set on top and lit.

  4. List of United States natural gas companies - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States...

    Piedmont Natural Gas; XOOM Energy; Public Service of North Carolina (PSNC) Frontier Natural Gas, North Dakota. Xcel Energy; MDU Resources; Ohio. Direct Energy; East Ohio Gas; Duke Energy; Nisource; Columbia Gas of Ohio; Dominion Energy; Northeast Ohio Natural Gas; Orwell Natural Gas; Oklahoma. Expand Energy; Oklahoma Gas & Electric; Oklahoma ...

  5. Natural gas - Wikipedia

    en.wikipedia.org/wiki/Natural_gas

    The history of natural gas in the United States begins with localized use. In the seventeenth century, French missionaries witnessed the American Indians setting fire to natural gas seeps around Lake Erie, and scattered observations of these seeps were made by European-descended settlers throughout the eastern seaboard through the 1700s. [25]

  6. Gas flare - Wikipedia

    en.wikipedia.org/wiki/Gas_flare

    Flare stack at the Shell Haven refinery in England. A gas flare, alternatively known as a flare stack, flare boom, ground flare, or flare pit, is a gas combustion device used in places such as petroleum refineries, chemical plants and natural gas processing plants, oil or gas extraction sites having oil wells, gas wells, offshore oil and gas rigs and landfills.

  7. Direct vent fireplace - Wikipedia

    en.wikipedia.org/wiki/Direct_vent_fireplace

    To begin the operation of the fireplace unit, the user must turn on the gas supply and ignite the burners. Once this is done, the unit will operate completely autonomously until the gas supply to the burners is shut off. While in operation, convection will cause the hot air in the firebox to rise to the top of the firebox. As the amount of hot ...

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