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  2. Hydrostatic test - Wikipedia

    en.wikipedia.org/wiki/Hydrostatic_test

    Hydrostatic testing is the most common method employed for testing pipes and pressure vessels. Using this test helps maintain safety standards and durability of a vessel over time. Newly manufactured pieces are initially qualified using the hydrostatic test. They are then revalidated at regular intervals according to the relevant standard.

  3. List of United States state and local law enforcement agencies

    en.wikipedia.org/wiki/List_of_United_States...

    This is a list of U.S. state and local law enforcement agencies — local, regional, special and statewide government agencies (state police) of the U.S. states, of the federal district, and of the territories that provide law enforcement duties, including investigations, prevention and patrol functions.

  4. Texas Department of Transportation - Wikipedia

    en.wikipedia.org/wiki/Texas_Department_of...

    The Texas Legislature created the Texas Highway Department in 1916 to administer federal highway construction and maintenance. In 1975, its responsibilities increased when the agency merged with the Texas Mass Transportation Commission, [3] resulting in the formation of the State Department of Highways and Public Transportation. [4] [5] [6]

  5. Department of public safety - Wikipedia

    en.wikipedia.org/wiki/Department_of_public_safety

    In state governments in the United States, the DPS is often a law enforcement agency synonymous with the state police. At local and special district levels, they may be all-encompassing. Examples of states having these include Texas , Minnesota , Tennessee , Arizona , Alabama , Oklahoma , and South Carolina .

  6. Gas cylinder - Wikipedia

    en.wikipedia.org/wiki/Gas_cylinder

    The transportation of high-pressure cylinders is regulated by many governments throughout the world. Various levels of testing are generally required by the governing authority for the country in which it is to be transported while filled. In the United States, this authority is the United States Department of Transportation (DOT). Similarly in ...

  7. State police (United States) - Wikipedia

    en.wikipedia.org/wiki/State_police_(United_States)

    The Texas State Police was formed during the administration of Texas Governor Edmund J. Davis on July 22, 1870, to combat crime associated with Reconstruction statewide in Texas. It worked primarily against racially based crimes, and included black police officers, which caused howls of protest from former slave owners (and future segregationists).

  8. Ohio State Highway Patrol - Wikipedia

    en.wikipedia.org/wiki/Ohio_State_Highway_Patrol

    The OSHP also maintains a force of State of Ohio Police Officers mostly located in the Columbus, Ohio area, who provide security police services to the Ohio Department of Transportation and the Ohio Expo Center and State Fairgrounds as well as perform security police functions at special events on state property. [11] State of Ohio Police ...

  9. List of law enforcement agencies in Ohio - Wikipedia

    en.wikipedia.org/wiki/List_of_law_enforcement...

    This is a list of law enforcement agencies in the state of Ohio.. According to the US Bureau of Justice Statistics' 2008 Census of State and Local Law Enforcement Agencies, the state had 831 law enforcement agencies employing 25,992 sworn police officers, about 225 for each 100,000 residents.