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  2. Paper size - Wikipedia

    en.wikipedia.org/wiki/Paper_size

    It was prescribed by Herbert Hoover when he was Secretary of Commerce to be used for US government forms, apparently to enable discounts from the purchase of paper for schools, but more likely due to the standard use of trimming books (after binding) and paper from the standard letter size paper to produce consistency and allow "bleed" printing ...

  3. International System of Units - Wikipedia

    en.wikipedia.org/wiki/International_System_of_Units

    The International System of Units, internationally known by the abbreviation SI (from French Système international d'unités), is the modern form of the metric system and the world's most widely used system of measurement. It is the only system of measurement with official status in nearly every country in the world, employed in science ...

  4. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    It can also be used to export form data to stand-alone files that can be imported back into the corresponding PDF interactive form. As of August 2019, XFDF 3.0 is an ISO/IEC standard under the formal name ISO 19444-1:2019 - Document management — XML Forms Data Format — Part 1: Use of ISO 32000-2 (XFDF 3.0) . [ 57 ]

  5. Quadratic mean diameter - Wikipedia

    en.wikipedia.org/wiki/Quadratic_mean_diameter

    where BA is stand basal area, n is the number of trees, and k is a constant based on measurement units - for BA in ft 2 and DBH in inches, k=0.005454; for BA in m 2 and DBH in cm, k=0.00007854. References

  6. Gauge - Wikipedia

    en.wikipedia.org/wiki/Gauge

    Wire gauge, a measure of the size of a wire American wire gauge, a common measure of nonferrous wire diameter, especially electrical; Birmingham gauge, a measure of ferrous wire and hypodermic needle diameter; Jewelry wire gauge, the size of wire used in jewelry making; Sheet metal gauge, thickness of metal in sheet form

  7. SI base unit - Wikipedia

    en.wikipedia.org/wiki/SI_base_unit

    The SI base units form a set of mutually independent dimensions as required by dimensional analysis commonly employed in science and technology. [citation needed] The names and symbols of SI base units are written in lowercase, except the symbols of those named after a person, which are written with an initial capital letter.

  8. AOL Mail

    mail.aol.com/?icid=aol.com-nav

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Engineering drawing abbreviations and symbols - Wikipedia

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

    CAD: computer-aided design, computer-aided drafting; cadmium [plating]: CAGE: Commercial and Government Entity [code]: A CAGE code is a unique identifier to label an entity (that is, a specific government agency or corporation at a specific site) that is a CDA, ODA, or MFR of the part defined by the drawing.