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  2. Underground pneumatic boring - Wikipedia

    en.wikipedia.org/wiki/Underground_pneumatic_boring

    Underground pneumatic drills can be used in the installation of public utilities like power lines, gas lines, phone cables, and cable television. It can also be used to install residential lawn irrigation systems. Boring is especially useful when it is difficult or cost-prohibitive to plow or trench.

  3. Pipe bursting - Wikipedia

    en.wikipedia.org/wiki/Pipe_bursting

    Pipe bursting is a trenchless method of replacing buried pipelines (such as sewer, water, or natural gas pipes) without the need for a traditional construction trench. "Launching and receiving pits" replace the trench needed by conventional pipe-laying.

  4. Directional boring - Wikipedia

    en.wikipedia.org/wiki/Directional_boring

    Directional boring machine. Directional boring, also referred to as horizontal directional drilling (HDD), is a minimal impact trenchless method of installing underground utilities such as pipe, conduit, or cables in a relatively shallow arc or radius along a prescribed underground path using a surface-launched drilling rig.

  5. Natural gas pipeline system in the United States - Wikipedia

    en.wikipedia.org/wiki/Natural_gas_pipeline...

    Meanwhile, manufactured gas was more commonly used than natural gas in the early 19th century, first introduced in Baltimore in 1816 with underground pipes laid starting in 1851. [6] Gas plants could be sited within cities, and many major U.S. cities such as New York, Chicago, San Francisco had gas distribution lines for manufactured gas by the ...

  6. List of natural gas pipelines - Wikipedia

    en.wikipedia.org/wiki/List_of_natural_gas_pipelines

    Carolina Gas Transmission, a SCANA Company [15] (formerly SCG Pipeline Inc./South Carolina Pipeline Corp) Central Kentucky Transmission Company; Central New York Oil And Gas Company, LLC; Chandeleur Pipe Line Company; Cheyenne Plains Gas Pipeline Company, L.L.C. Clear Creek Storage Company, LLC; Cotton Valley Compression LLC [16] Crossroads ...

  7. Fire pit - Wikipedia

    en.wikipedia.org/wiki/Fire_pit

    A fire pit. The defining feature of fire pits is that they are designed to contain fire and prevent it from spreading. A fire pit can vary from a pit dug in the ground (fire hole) to an elaborate gas burning structure of stone, brick, and metal. Certain contemporary fire pit styles include fire bowls that can either be set in the ground or ...