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  2. Drilling and blasting - Wikipedia

    en.wikipedia.org/wiki/Drilling_and_blasting

    The decision whether to construct a tunnel using a TBM or using a drill and blast method includes a number of factors. Tunnel length is a key issue that needs to be addressed because large TBMs for a rock tunnel have a high capital cost, but because they are usually quicker than a drill and blast tunnel the price per metre of tunnel is lower. [ 2 ]

  3. Completion (oil and gas wells) - Wikipedia

    en.wikipedia.org/wiki/Completion_(oil_and_gas_wells)

    Well completion is the process of making a well ready for production (or injection) after drilling operations. This principally involves preparing the bottom of the hole to the required specifications, running in the production tubing and its associated down hole tools as well as perforating and stimulating as required.

  4. Ebbw Vale Steelworks - Wikipedia

    en.wikipedia.org/wiki/Ebbw_Vale_Steelworks

    The partnership erected a blast furnace and casting shop against the hillside, which created a weekly output of 25 tons of pig iron per week. Called "Pen y cae" after the farming hamlet by the locals, the partners adopted the river's name to form the Ebbw Vale Furnace Company Ltd (EVC), hence naming both the works and the developing township.

  5. Blast from the past: Fragment of Revolution-era cannon ...

    www.aol.com/blast-past-fragment-revolution-era...

    When construction on a house near the site began in the 1950s, “they found a lot of artifacts from the iron furnace,” Stout said, “including a cannon fragment.

  6. AOL Mail for Verizon Customers - AOL Help

    help.aol.com/products/aol-mail-verizon

    AOL Mail welcomes Verizon customers to our safe and delightful email experience!

  7. Blasting mat - Wikipedia

    en.wikipedia.org/wiki/Blasting_mat

    Blasting mats are used when explosives are detonated in places such as quarries or construction sites. The mats are placed over the blasting area to contain the blast, suppress noise [1] and dust as well as prevent high velocity rock fragments called fly rock (or flyrock) from damaging structures, [2] people or the environment in proximity to the blast site. [3]

  8. At what temperature do iguanas "freeze" in Florida? - AOL

    www.aol.com/temperature-iguanas-freeze-florida...

    Iguanas begin to get sluggish or lethargic once the temperature drops below 50 degrees Fahrenheit.

  9. Blast from the past: Researchers discover oldest US gun ...

    www.aol.com/blast-past-researchers-discover...

    Researchers in Arizona say they have discovered the oldest gun in the U.S., a cannon used during the first European expedition across the Southwest.

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