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Electric strike. Electric strike with monitoring contact. An electric strike is an access control device used for door frames. It replaces the fixed strike faceplate often used with a latch (also known as a keeper). Like a fixed strike plate, it normally presents a ramped or beveled surface to the locking latch allowing the door to close and ...
Powerline worker performs maintenance of a lightning arrester on an electrical transmission tower in New Brunswick, Canada. A lightning arrester (alternative spelling lightning arrestor) (also called lightning isolator) is a device, essentially an air gap between an electric wire and ground, used on electric power transmission and telecommunication systems to protect the insulation and ...
Electric strikes can also be either "fail unlocked" (except in Fire Listed Doors, as they must remain latched when power is not present), or the more-secure "fail locked" design. Electric strikes are easier to attack than a mag lock. It is simple to lever the door open at the strike, as often there is an increased gap between the strike and the ...
HES seal to mimic the Nintendo Seal of Quality.. In the late 1980s and early 1990s, HES ported games from American Game Cartridges, American Video Entertainment (AVE), Bit Corp, Color Dreams, Epyx, Thin Chen Enterprise (Sachen, Joy Van, etc.) and Tengen onto the Nintendo Entertainment System (NES) as unlicensed titles, although they did not release games by Camerica or Active Enterprises.
The Electrical Workers: A History of Labor at General Electric and Westinghouse, 1923-60, University of Illinois Press, 1983, hardcover, ISBN 0-252-01031-0; paperback reprint ISBN 0-252-01438-3 Sears, John Bennett, Generation of Resistance: The Electrical Unions and the Cold War , Infinity Publishing, 2008, paperback, ISBN 0-7414-4868-8
Hess Oil and Chemical was founded in 1933 by Leon Hess as an operation out of Asbury Park that sold refining leftovers to hotels as heating fuel. [4] [9] In 1938, he purchased land in Perth Amboy for his first oil storage terminal and in 1958 opened the company's first refinery, located in Port Reading. [11]
The Heinkel HeS 011 or Heinkel-Hirth 109-011 (HeS - Heinkel Strahltriebwerke) was an advanced World War II jet engine built by Heinkel-Hirth.It featured a unique compressor arrangement, starting with a low-compression impeller in the intake, followed by a "diagonal" stage similar to a centrifugal compressor, and then a three-stage axial compressor.
The HeS 30 (HeS - Heinkel Strahltriebwerke) was an early jet engine, originally designed by Adolf Müller at Junkers, but eventually built and tested at Heinkel. It was possibly the best of the "Class I" engines, a class that included the more famous BMW 003 and Junkers Jumo 004 .
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