normally open relay
71Contract bridge — Bridge declarer play Alternative name(s) Bridge Type trick taking Players 4 Skill(s) require …
72Hearing impairment — See also: Deaf culture for the social movement.. Deaf and/or hard of hearing Classification and external resources The International Symbol for Deafness …
73Motor controller — A motor controller is a device or group of devices that serves to govern in some predetermined manner the performance of an electric motor.[1] A motor controller might include a manual or automatic means for starting and stopping the motor,… …
74Teredo tunneling — Teredo is a tunneling protocol designed to grant IPv6 connectivity to nodes that are located behind IPv6 unaware NAT devices. It defines a way of encapsulating IPv6 packets within IPv4 UDP datagrams that can be routed through NAT devices and on… …
75Athletics (sport) — For other uses, see Athletics (disambiguation). Athletics Highest governing body IAAF Characteristics Mixed gender yes …
76speech — /speech/, n. 1. the faculty or power of speaking; oral communication; ability to express one s thoughts and emotions by speech sounds and gesture: Losing her speech made her feel isolated from humanity. 2. the act of speaking: He expresses… …
77Swimming (sport) — Swimmer redirects here. For the military term, see frogman. Swims A swimmer performing freestyle. Highest governing body Fédération Internationale de Natation (FINA) Nickname(s) …
78Esperanto — This article is about the language. For other uses, see Esperanto (disambiguation). Esperanto Created by L. L. Zamenhof Date created …
79Control of the National Grid (UK) — The National Grid (UK) is the high voltage electric power transmission network in Great Britain, connecting power stations and major substations to ensure that electricity generated anywhere in Great Britain can be used to satisfy demand… …
80Australia — /aw strayl yeuh/, n. 1. a continent SE of Asia, between the Indian and the Pacific oceans. 18,438,824; 2,948,366 sq. mi. (7,636,270 sq. km). 2. Commonwealth of, a member of the Commonwealth of Nations, consisting of the federated states and… …
