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612007 Broadway stagehand strike — 2007 Broadway Stagehands Strike was a strike action by stagehands represented by Theatrical Protective Union Number One (Local One) of the International Alliance of Theatrical Stage Employees (IATSE) against the Shubert, Jujamcyn, and Nederlander …
62metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …
63SS Edmund Fitzgerald — Edmund Fitzgerald redirects here. For other uses, see Edmund Fitzgerald (disambiguation) …
64Residual-current device — A two pole residual current device A Residual Current Device is a generic term covering both RCCBs and RCBOs. A Residual Current Circuit Breaker (RCCB) is an electrical wiring device that disconnects a circuit whenever it detects that the… …
65выключатель нагрузки — Коммутационный аппарат для отключения и включения цепей под нагрузкой в электрических установках напряжением 6 10 кВ (при токах соответственно Iном=200 400 А) и не предназначенных для отключения токов короткого замыкания. [Цигельман И. Е.… …
66Switch — 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… …
67building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
68PDP-8 — A PDP 8 on display at the Smithsonian s National Museum of American History in Washington, D.C.. This example is from the first generation of PDP 8s, built with discrete transistors and later known as the Straight 8. The 12 bit PDP 8 was the… …
69Transfer switch — Transfer switches allow switching from a primary power source to a secondary or tertiary power source and are employed in some electrical power distribution systems. Most often transfer switches can be seen where emergency power generators are… …
70Spring (device) — Helical or coil springs designed for tension Compression sp …
