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The MPA was founded as the Motion Picture Producers and Distributors of America (MPPDA) in 1922 as a trade association of member motion picture companies. At its founding, MPPDA member companies produced approximately 70 to 80 percent of the films made in the United States. [4]
In 2013, the MPA ratings were visually redesigned, with the rating displayed on a left panel and the name of the rating shown above it. A larger panel on the right provides a more detailed description of the film's content and an explanation of the rating level is placed on a horizontal bar at the bottom of the rating.
These no take zones can cover an entire MPA, or specific portions. For example, the 1,150,000 square kilometres (440,000 sq mi) Papahānaumokuākea Marine National Monument , the world's largest MPA (and largest protected area of any type, land or sea), is a 100% no take zone.
As a first step in developing the national system of MPAs, the MPA Center compiled an MPA Inventory of all MPAs in U.S. waters. The U.S. has over 1,600 MPAs, ranging from typically small fully protected marine reserves where extractive uses are prohibited to large, multiple-use areas where fishing, diving and other uses are permitted.
0.8–2 MPa 120–290 psi Pressure used in boilers of steam locomotives [citation needed] 1.1 MPa 162 psi Pressure of an average human bite [citation needed] 2.8–8.3 MPa 400–1,200 psi Pressure of carbon dioxide propellant in a paintball gun [64] 5 MPa 700 psi Water pressure of the output of a coin-operated car wash spray nozzle [58] 5 MPa ...
A Marine Protected Area Network or MPA network is a network of Marine Protected Areas or Marine Reserves.. A Marine Protected Area Network can be defined as "a collection of individual MPAs or reserves operating cooperatively and synergistically, at various spatial scales, and with a range of protection levels that are designed to meet objectives that a single reserve cannot achieve". [1]
Methiopropamine (MPA), also known as N-methylthiopropamine, is an organic compound structurally related to methamphetamine. [2] ... (No.2) Order 2017 [SI 2017/1114 ...
mPa 10 5 Pa bar (non-SI unit) bar 10 6 Pa megapascal MPa 10 −6 Pa micropascal μPa 10 9 Pa gigapascal GPa 10 −9 Pa nanopascal nPa 10 12 Pa terapascal TPa 10 −12 Pa picopascal pPa 10 15 Pa petapascal PPa 10 −15 Pa femtopascal fPa 10 18 Pa exapascal EPa 10 −18 Pa attopascal aPa 10 21 Pa zettapascal ZPa 10 −21 Pa zeptopascal zPa 10 24 ...