normally open switch
101Distribution board — A fairly standard American circuit breaker panel manufactured by General Electric and using interchangeable circuit breakers A distribution board (or panelboard) is a component of an electricity supply system which divides an electrical power… …
102After Dark (TV series) — infobox television show name = After Dark caption = [http://en.wikipedia.org/wiki/After Dark (TV series)#Harry Belafonte.2C Denis Worrall and South Africa South Africa 11th June 1988 ] format = Talk show runtime = Open ended creator = Flagicon|UK …
103railroad — /rayl rohd /, n. 1. a permanent road laid with rails, commonly in one or more pairs of continuous lines forming a track or tracks, on which locomotives and cars are run for the transportation of passengers, freight, and mail. 2. an entire system… …
104Comparison of cricket and baseball — Cricket and baseball are the best known members of a family of related bat and ball games. While many of their rules, terminology, and strategies are similar, there are many differences some subtle, some major between the two games. Other present …
105Electrical wiring (UK) — The modern UK standards and regulations for electrical wiring no longer differ substantially from those in other European countries. However, there are a number of noteworthy national peculiarities, habits and traditions associated with domestic… …
106Tennis score — Final score of the 2005 singles final in San Jose of Andy Roddick vs Cyril Saulnier A tennis match is composed of points, games, and sets. A match is won when a player or a doubles team wins the majority of prescribed sets. Traditionally, matches …
107Agriculture and Food Supplies — ▪ 2007 Introduction Bird flu reached Europe and Africa, and concerns over BSE continued to disrupt trade in beef. An international vault for seeds was under construction on an Arctic island. Stocks of important food fish species were reported… …
108Enigma machine — Military Enigma machine …
109Laser safety — A typical laser warning symbol. Laser safety is safe design, use and implementation of lasers to minimize the risk of laser accidents, especially those involving eye injuries. Since even relatively small amounts of laser light can lead to… …
110Google's hoaxes — TISP redirects here. For the space program, see Teacher in Space Project. Google has a tradition of perpetrating April Fools Day hoaxes. Contents 1 April Fool s hoaxes 1.1 2000 1.2 2002 …
