Fire detection and suppression systems Essay Example | Topics and Well Written Essays - 1250 words - 1

Fire detection and suppression systems - Essay Example This can be in form of sirens, flash lights, telephone calls and a signal sent to the city’s fire department. It comprises the following parts: The alarm system is composed of mainly the control panel, power supply, zone feature, input devices and the output devices. The input devices are the sensory zones of the alarm hence they include the smoke and heat detectors. If the signal is high enough, the control panel would provide notifications about the danger posed by the changes in the detectors. However, some signals may require immediate attention, for example a fire alert in a specific room of a building. In such an instance, the zone feature is programmed to activate instant sprinklers that would put off the fire. Finally, the output devices include the horns, voice announcements and flash lights that indicate danger (Hirschler, 1992). Fire alarm systems are very important in notifying the occupants of the building under fire to vacate. They are designed to use both sound and visual warnings hence ensuring evacuation of the buildings thus saving lives. In the recent models of the alarm systems, they are programmed to inform an individual the specific location of the fire hence giving him or her right direction of the nearest exit (Sturzenbecker, Adams & Burnside, 2012). The alarm systems assist the fire fighters to easily locate the building under fire thus facilitating quick response to the fire. In addition, the alarm system may produce a human voice that informs them of the location of the fire hence.

Outline the historical origins of neo-conservatism and critically Essay

Outline the historical origins of neo-conservatism and critically assess its key themes - Essay Example Neoconservatives originally approached this standpoint from the left political wing, particularly in reponse to main changes in modernhistory of the United States. The majority of predecessors of neoconservativism were liberals or socialists who actively supported theWorld War II, and whose views were influenced by the Depression-era concepts of ex-New Dealers, Trotskyism followers and trade unionists, especially those who supported the political study of Max Shachtman. â€Å"A number of future neoconservatives such as Jeane Kirkpatrick and Ken Adelman were Shachtmanites in their youth, while others were later involved with Social Democrats USA. Most neoconservatives, however, including those who have been close to SDUSA, will strenuously deny, even contrary to evidence, that they were ever Shachtmanites† (Dean, 2004,p.65). Disagreement with Dà ©tente with the USSR and the ideas of New Left, who were against both Soviet and capitalist ideologies, which occurred as a reaction to the USSR’s break with Stalinism ideology in the middle of 1950s, led the Neoconservatives to break with ‘liberal consent’ established in postwar years. The ‘prototypical’ neoconservative intellectuals I.Kristol and N.Podhoretz were connected to with the magazine named ‘Commentary’, and their academic development is quite apparent in those publications of that period (Stelzer, 2004). Over the course of the 1950s and early 1960s the original neoconservatives rejected communism, but accepted socialism and supported Civil Rights Movement initiated by Martin Luter King, and integration. Whereas, at the beginning of its development, the ideas of neoconservatism became well-known among the followers of hardline Communists, usually Jewish immigrant families, who lived in great poverty and those who has now become famous neoconservative thinkers. â€Å"Many neoconservatives also came to despise the counterculture of the 1960s and what they felt was a