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  2. Template:Brick chart - Wikipedia

    en.wikipedia.org/wiki/Template:Brick_chart

    The template can format a brick chart within 1/6 second, so 3 brick charts could appear within a page and add only 1/2 second to reformat, or edit-preview. The initial creation of the template occurred in August 2009; however, the alignment for display problems with overlapped bars was fixed in September 2012, over 3 years later.

  3. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    kilopounds per square inch, that is, thousands of pounds per square inch KSI (or ksi), also abbreviated KPSI or kpsi, is a common non- SI measurement scale for ultimate tensile strength , that is, the number of units of tensile force that a material can endure per unit of cross-sectional area before breaking.

  4. Wikipedia : WikiProject Electronics/Standard symbols

    en.wikipedia.org/.../Standard_symbols

    meters per second speed of light in material medium meters per second frequency: hertz (cycles per second) angular frequency: radians per second wave number: radians per meter wavelength: meters per cycle

  5. Concrete block - Wikipedia

    en.wikipedia.org/wiki/Concrete_block

    A pallet of "8-inch" concrete blocks An interior wall of painted concrete blocks Concrete masonry blocks A building constructed with concrete masonry blocks. A concrete block, also known as a cinder block in North American English, breeze block in British English, or concrete masonry unit (CMU), or by various other terms, is a standard-size rectangular block used in building construction.

  6. Course (architecture) - Wikipedia

    en.wikipedia.org/wiki/Course_(architecture)

    These are used for window lintels or tops of walls. [3] The result is a row of bricks that looks similar to soldiers marching in formation, from a profile view. Sailor: Units are laid vertically on their shortest ends with their widest edge facing the wall surface. [1] The result is a row of bricks that looks similar to sailors manning the rail.

  7. Compressed earth block - Wikipedia

    en.wikipedia.org/wiki/Compressed_earth_block

    CEBs differ from mud bricks in that the latter are not compressed, but solidify through chemical changes that take place as they air dry. The compression strength of properly made CEB usually exceeds that of typical mud brick. Building standards have been developed for CEB. CEBs are assembled onto walls using standard bricklaying and masonry ...

  8. Insulating concrete form - Wikipedia

    en.wikipedia.org/wiki/Insulating_concrete_form

    The first expanded polystyrene ICF Wall forms were developed in the late 1960s with the expiration of the original patent and the advent of modern foam plastics by BASF. [citation needed] Canadian contractor Werner Gregori filed the first patent for a foam concrete form in 1966 with a block "measuring 16 inches high by 48 inches long with a tongue-and-groove interlock, metal ties, and a waffle ...

  9. Interlocking - Wikipedia

    en.wikipedia.org/wiki/Interlocking

    Entrance-Exit Interlocking (NX) was the original brand name of the first generation relay-based centralized traffic control (CTC) interlocking system introduced in 1936 by GRS [13] (represented in Europe by Metropolitan-Vickers). The advent of all electric interlocking technology allowed for more automated route setting procedures as opposed to ...