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  2. 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.

  3. Robotic non-destructive testing - Wikipedia

    en.wikipedia.org/wiki/Robotic_Non-Destructive...

    Robotic non-destructive testing (NDT) is a method of inspection used to assess the structural integrity of petroleum, natural gas, and water installations. Crawler-based robotic tools are commonly used for in-line inspection (ILI) applications in pipelines that cannot be inspected using traditional intelligent pigging tools (or unpiggable pipelines).

  4. Disc cutter - Wikipedia

    en.wikipedia.org/wiki/Disc_cutter

    This type of disc cutter is good for sheet metal and for lightweight or thin materials. Thicker or heavier materials will need a larger disc cutter. For long straight cuts on sheet metal or for light cut-off work, a standard circular saw is used with a 7 + 1 ⁄ 4-inch cutting wheel. These cutting discs are made just like the smaller wheels of ...

  5. Pipecutter - Wikipedia

    en.wikipedia.org/wiki/Pipecutter

    Pipecutter Cutting copper pipe with a close quarters tubing cutter. A pipecutter is a type of tool used to cut pipe. Depending on the metal of the pipe, a pipecutter can often provide a faster, cleaner and more convenient way of cutting pipe than using a hacksaw. There are two types of pipe cutters.

  6. Power trowel - Wikipedia

    en.wikipedia.org/wiki/Power_trowel

    Additionally, they are available in overlapping and non-overlapping configurations, the latter allowing the use of float pans. [2] Walk-behind power trowels are used by an operator walking behind the machine. [3] [4] A power trowel performs the tasks of several hand tools, hand trowel, hand float, darby and concrete float. [5]

  7. Types of concrete - Wikipedia

    en.wikipedia.org/wiki/Types_of_concrete

    Stamped concrete is an architectural concrete that has a superior surface finish. After a concrete floor has been laid, floor hardeners (can be pigmented) are impregnated on the surface and a mold that may be textured to replicate a stone / brick or even wood is stamped on to give an attractive textured surface finish.

  8. Cement-mortar lined ductile iron pipe - Wikipedia

    en.wikipedia.org/wiki/Cement-mortar_lined...

    Cement-mortar lined ductile iron pipe is a ductile iron pipe with cement lining on the inside surface, and is commonly used for water distribution. Cement-mortar lined ductile iron pipe is governed by standards set forth by DIPRA ( Ductile Iron Pipe Research Association ), and was first used in 1922 in Charleston, South Carolina .

  9. Pipe wrench - Wikipedia

    en.wikipedia.org/wiki/Pipe_wrench

    A pipe wrench is any of several types of wrench that are designed to turn threaded pipe and pipe fittings for assembly (tightening) or disassembly (loosening). The Stillson wrench, or Stillson-pattern wrench, is the usual form of pipe wrench, especially in the US. The Stillson name is that of the original patent holder, who licensed the design ...