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A purlin (or historically purline, purloyne, purling, perling) is a longitudinal, horizontal, structural member in a roof. In traditional timber framing there are three basic types of purlin: purlin plate, principal purlin, and common purlin. Purlins also appear in steel frame construction. Steel purlins may be painted or greased for protection ...
Officer of the United States. An officer of the United States is a functionary of the executive or judicial branches of the federal government of the United States to whom is delegated some part of the country's sovereign power. The term officer of the United States is not a title, but a term of classification for a certain type of official.
Cabinet of the United States. The Cabinet of the United States is the principal official advisory body to the president of the United States. The Cabinet generally meets with the president in a room adjacent to the Oval Office in the West Wing of the White House. The president chairs the meetings but is not formally a member of the Cabinet.
Principal rafter (major rafter, rarely a chief rafter): A larger rafter. Usually land directly on a tie beam. Usually the purpose of having a larger rafter is to carry a purlin which supports the rafters in each bay. Sometimes the top cord (uppermost member) of a truss looks like a principal rafter. Principal rafters are sometimes simply called ...
Summary. The Peter principle states that a person who is competent at their job will earn a promotion to a position that requires different skills. If the promoted person lacks the skills required for the new role, they will be incompetent at the new level, and will not be promoted again. [2] If the person is competent in the new role, they ...
The United States National Security Council (NSC) is the principal forum used by the president of the United States for consideration of national security, military, and foreign policy matters. Based in the White House, it is part of the Executive Office of the President of the United States, and composed of senior national security advisors ...
A board of directors is an executive committee that supervises the activities of a business, a nonprofit organization, or a government agency. The powers, duties, and responsibilities of a board of directors are determined by government regulations (including the jurisdiction's corporate law) and the organization's own constitution and by-laws.
Concertmaster. The concertmaster (from the German Konzertmeister), first chair[1] (U.S.) or leader[2] (U.K.) is the principal first violin player in an orchestra (clarinet or oboe in a concert band). After the conductor, the concertmaster is the most significant leader in an orchestra, symphonic band or other musical ensemble.