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  2. First fix and second fix - Wikipedia

    en.wikipedia.org/wiki/First_fix_and_second_fix

    The installation of this equipment takes place in the "third fix" segment of a construction project. It is especially important that installation of sensitive electronic equipment be installed only when a construction site is dust-controlled and prepared for what would be considered "dust free" conditions.

  3. Flitch beam - Wikipedia

    en.wikipedia.org/wiki/Flitch_beam

    "Flitch" originally referred to a slab of bacon, which was cut into strips lengthwise. [1] Similarly, a wooden beam was flitched by cutting it lengthwise; one half was then rotated 180 degrees both longitudinally and laterally to ensure that any defects were separated.

  4. Hollow-core slab - Wikipedia

    en.wikipedia.org/wiki/Hollow-core_slab

    The continuous slab is then cut to required lengths by a large diamond circular saw. Factory production provides the obvious advantages of reduced time, labor and training. Another fabrication system produces hollow-core floor slabs in reinforced concrete (not prestressed). These are made on carousel production lines, directly to exact length ...

  5. List of This Old House episodes (seasons 11–20) - Wikipedia

    en.wikipedia.org/wiki/List_of_This_Old_House...

    The job has suddenly taken a turn for the better, thanks in part to the homeowners' cleanup efforts. The crew installs the double front door, and electrician Paul Kennedy shows us the centralized audio/video/telephone wiring system he's installing. Norm continues his visit to the Forest Products Lab, where he sees recycled wood and paper ...

  6. Concrete slab - Wikipedia

    en.wikipedia.org/wiki/Concrete_slab

    For a suspended slab, there are a number of designs to improve the strength-to-weight ratio. In all cases the top surface remains flat, and the underside is modulated: A corrugated slab is designed when the concrete is poured into a corrugated steel tray, more commonly called decking. This steel tray improves strength of the slab, and prevents ...

  7. US steps up pressure on Israel over Gaza as military aid ...

    www.aol.com/news/us-says-israel-not-yet...

    UNITED NATIONS (Reuters) -Israel is not addressing the "catastrophic humanitarian crisis" in Gaza, the U.S. envoy to the United Nations said on Tuesday as a deadline imposed by Washington looms ...

  8. College football award winners: Full list of winners for 2024 ...

    www.aol.com/college-football-award-winners-full...

    Cars pile up on Louisiana's Causeway Bridge after thick fog blankets region: Video. Advertisement. Advertisement. Advertisement. Related articles. Show comments. Advertisement. Advertisement.

  9. Plumbing - Wikipedia

    en.wikipedia.org/wiki/Plumbing

    In the United Kingdom the professional body is the Chartered Institute of Plumbing and Heating Engineering (educational charity status) and it is true that the trade still remains virtually ungoverned; [49] there are no systems in place to monitor or control the activities of unqualified plumbers or those home owners who choose to undertake ...