line-supervision frame
1Red Line (MBTA) — RED LINE An MBTA Red Line train composed of #3 Red Line stock leaving Charles/MGH station bound for Alewife, going over the Longfellow Bridge …
2Derwent Valley Line — This article is about a railway line in Derbyshire. For other railways with this name, see Derwent Valley Railway (disambiguation). Derwent Valley Line A Class 153 Sprinter running on the line Overview Type …
3Number Five Crossbar Switching System — The Number Five Crossbar Switching System or 5XB switch, designed by Bell Labs and made by Western Electric, was in use in Bell System telephone exchanges from 1948 to the 1980s. Its principal use was as a Class 5 telephone switch, though… …
41ESS switch — The Number One Electronic Switching System, the first large scale Stored Program Control (SPC) telephone exchange or Electronic Switching System in the Bell System, was introduced in Succasunna, New Jersey, in May 1965[1]. The switching fabric… …
5PAL-M — Colour encoding used in analog television, by nation in 20th century. PAL M is the TV system used in Brazil since February 19, 1972. At that time, Brazil was the first South American country to broadcast in colour. Colour TV broadcast began on… …
6CIA transnational human rights actions — This article deals with those activities of the Central Intelligence Agency that preserve or violate human rights. General principlesIn 2003, Assistant Secretary of state for Human Rights Patricia Derian when she wrote, Through these [U.S.… …
7Mammoth Cave National Park — Mammoth Cave redirects here. For other uses, see Mammoth Cave (disambiguation). Mammoth Cave National Park IUCN Category II (National Park) The Rotund …
8United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
9printmaking — /print may king/, n. the art or technique of making prints, esp. as practiced in engraving, etching, drypoint, woodcut or serigraphy. [1925 30; PRINT + MAKING] * * * Art form consisting of the production of images, usually on paper but… …
10education — /ej oo kay sheuhn/, n. 1. the act or process of imparting or acquiring general knowledge, developing the powers of reasoning and judgment, and generally of preparing oneself or others intellectually for mature life. 2. the act or process of… …
