gate regulator
51Media of Canada — Culture of Canada This article is part of a series History Canadians Canadian identity …
52MyZone — Generic MyZone ticket MyZone is a public transport fare structure in the Greater Sydney area of New South Wales, Australia. It covers transport on CityRail trains, the publicly owned Sydney Buses network, private buses, and the publicly owned… …
53Earth — This article is about the planet. For other uses, see Earth (disambiguation). Earth   …
54Switch — For other uses, see Switch (disambiguation). Electrical switches. Top, left to right: circuit breaker, mercury switch, wafer switch, DIP switch, surface mount switch, reed switch. Bottom, left to right: wall switch (U.S. style), miniature toggle… …
55Safety engineering — is an applied science strongly related to systems engineering and the subset System Safety Engineering. Safety engineering assures that a life critical system behaves as needed even when pieces fail.In the real world the term safety engineering… …
56Sinclair ZX81 — Infobox computer Photo = Type = Home computer Released = 1981 Discontinued = 1984 [cite book |last=Forster |first=Winnie |authorlink=Winnie Forster |title=The encyclopedia of consoles, handhelds home computers 1972 2005 |year=2005… …
57Rectifier — A rectifier is an electrical device that converts alternating current (AC) to direct current (DC), a process known as rectification. Rectifiers have many uses including as components of power supplies and as detectors of radio signals. Rectifiers …
58System-on-a-chip — or system on chip (SoC or SOC) refers to integrating all components of a computer or other electronic system into a single integrated circuit (chip). It may contain digital, analog, mixed signal, and often radio frequency functions ndash; all on… …
59Elizabethton, Tennessee —   City   Downtown Elizabethton, July 4th parade (2008). Nickname(s) …
60Varistor — A 385 volt metal oxide varistor A varistor is an electronic component with a diode like nonlinear current–voltage characteristic. The name is a portmanteau of variable resistor. Varistors are often used to protect circuits against excessive… …
