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Former Parsons headquarters in Pasadena, California. Parsons was founded by Ralph M. Parsons in 1944. [2] Emerging at the end of World War II, Parsons' location in Los Angeles, proximity to organizations such as the Naval Air and Missile Test Center, Air Force Western Development Division (WDD) and Space and Missile Systems Organization (SAMSO), [4] and partnership with Aerojet Engineering, [5 ...
Contactless trial on the IRT Lexington Avenue Line, 2007. Subway tokens had been used as the MTA subway and bus systems' form of fare payment since the 1950s. MetroCards made by Cubic Transportation Systems started to replace the tokens in 1992; the MetroCards used magnetic stripes to encode the fare payment.
Within the Internet email system, a message transfer agent (MTA), [1] mail transfer agent, [2] or mail relay is software that transfers electronic mail messages from one computer to another using the Simple Mail Transfer Protocol. [3] In some contexts, the alternative names mail server, mail exchanger, or MX host are used to describe an MTA.
The MTA Inspector General is nominated by the New York State Governor and must be confirmed by the New York State Senate. [1] [13] The agency's creation was requested by then-Governor Mario Cuomo. [14] The first MTA Inspector General was Sidney Schwartz. [15] In 2019, Carolyn Pokorny became the first female MTA Inspector General. [16]
Apart from focusing on fieldwork for mining research, MTA also has remote sensing facilities since 1975. Remote sensing unit operates under MTA Geophysics Research Division and TUBITAK has a cooperation since early 1970s. [3] MTA publishes Bulletin of the Mineral Research and Exploration twice a year since 1936. Papers are published in English ...
Mineral trioxide aggregate (MTA) is an alkaline, cementitious dental repair material. MTA is used for creating apical plugs during apexification, repairing root perforations during root canal therapy, and treating internal root resorption.
The MTA has installed retail spaces within paid areas in selected stations, including the station concourses of the Times Square–Port Authority complex, the 59th Street–Columbus Circle station, and the 47th–50th Streets–Rockefeller Center station. [69] In the 1980s, the MTA operated around 350 retail spaces in the subway system. [69]