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  2. Thomas Iron Company - Wikipedia

    en.wikipedia.org/wiki/Thomas_Iron_Company

    After 1874, the company did not add any further furnaces at Hokendauqua. However, it purchased the Keystone Furnace from D. Runkle Company in early 1882 and the Saucon Iron Company in Hellertown, Pennsylvania on December 13, 1884, renaming its two furnaces No. 10 and No. 11.

  3. Forced-air gas - Wikipedia

    en.wikipedia.org/wiki/Forced-air_gas

    The natural gas is fed to buildings from a main gas line. The duct work supplying the hot air (and sometimes cool air if an AC unit is tied into the system) may be insulated. A thermostat starts and stops the furnace to regulate temperature. Large homes or commercial buildings may have multiple thermostats and heating zones, controlled by ...

  4. Executive Order 13990 - Wikipedia

    en.wikipedia.org/wiki/Executive_Order_13990

    Executive Order 13990, officially titled Protecting Public Health and the Environment and Restoring Science to Tackle the Climate Crisis [1] is an executive order signed by President Joe Biden on January 20, 2021, which implements various environmental policies of his administration including revoking the permit for the Keystone XL Pipeline [2] and temporarily prohibiting drilling in the ...

  5. Keystone Pipeline - Wikipedia

    en.wikipedia.org/wiki/Keystone_Pipeline

    The Keystone-Cushing pipeline phase connected the Keystone pipeline (phase 1) in Steele City, Nebraska, south through Kansas to the oil hub and tank farm in Cushing, Oklahoma, a distance of 468 kilometres (291 mi) long. It was constructed in 2010 and went online in February 2011.

  6. List of preserved historic blast furnaces - Wikipedia

    en.wikipedia.org/wiki/List_of_preserved_historic...

    Blast Furnace in Govăjdia built between 1806 and 1810 on the site of an old iron working workshop called "Old Limpert", the furnace's capacity is 43,9 cubic meters and it operated with charcoal brought from Vadu Dobrii and the iron ore mined and brought from the iron ore mines at Ghelari via narrow-gauge railway. It was decommissioned in 1924 ...

  7. Induction furnace - Wikipedia

    en.wikipedia.org/wiki/Induction_furnace

    The advantage of the induction furnace is a clean, energy-efficient and well-controlled melting process, compared to most other means of metal melting. Most modern foundries use this type of furnace, and many iron foundries are replacing cupola furnaces with induction furnaces to melt cast iron, as the former emit much dust and other pollutants ...