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  2. Certification mark - Wikipedia

    en.wikipedia.org/wiki/Certification_mark

    Canadian certification label on a bag of rockwool Counterfeit electrical cords with false UL certification marks. A certification mark on a commercial product or service is a registered mark that enables its owner ("certification body") to certify that the goods or services of a particular provider (who is not the owner of the certification mark) have particular properties, e.g., regional or ...

  3. Levelling - Wikipedia

    en.wikipedia.org/wiki/Levelling

    The top mark is at 1,500 mm and the lower is at 1,345 mm; the distance between those two marks is 155 mm, yielding a distance to the rod of 15.5 m. Optical levelling , also known as spirit levelling and differential levelling , employs an optical level , which consists of a precision telescope with crosshairs and stadia marks .

  4. Specification (technical standard) - Wikipedia

    en.wikipedia.org/wiki/Specification_(technical...

    A specification often refers to a set of documented requirements to be satisfied by a material, design, product, or service. [1] A specification is often a type of technical standard. There are different types of technical or engineering specifications (specs), and the term is used differently in different technical contexts.

  5. List of U.S. security clearance terms - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._security...

    Security clearances can be issued by many United States of America government agencies, including the Department of Defense (DoD), the Department of State (DOS), the Department of Homeland Security (DHS), the Department of Energy (DoE), the Department of Justice (DoJ), the National Security Agency (NSA), and the Central Intelligence Agency (CIA).

  6. ISO 9000 family - Wikipedia

    en.wikipedia.org/wiki/ISO_9000_family

    The ISO 9000 family is a set of international standards for quality management systems.It was developed in March 1987 by International Organization for Standardization.The goal of these standards is to help organizations ensure that they meet customer and other stakeholder needs within the statutory and regulatory requirements related to a product or service.

  7. United States Military Standard - Wikipedia

    en.wikipedia.org/wiki/United_States_Military...

    A document that establishes uniform engineering and technical requirements for military-unique or substantially modified commercial processes, procedures, practices, and methods. There are five types of defense standards: interface standards, design criteria standards, manufacturing process standards, standard practices, and test method standards.

  8. CSA Z299 - Wikipedia

    en.wikipedia.org/wiki/CSA_Z299

    CSA CAN3-Z299 is a series of quality assurance standards developed by the Canadian Standards Association in the 1970s. It is an alternative to the ISO 9000 series of standards. The stated objectives of the Z299 series of standards are: (a) “To provide customers with assurance that products or services of the required quality will be supplied;

  9. Verification and validation - Wikipedia

    en.wikipedia.org/wiki/Verification_and_validation

    Verification is intended to check that a product, service, or system meets a set of design specifications. [6] [7] In the development phase, verification procedures involve performing special tests to model or simulate a portion, or the entirety, of a product, service, or system, then performing a review or analysis of the modeling results.