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90Fail Safe and Fail Secure Electric Locking Devices
Definition Basically: Fail Safe = power off, it's unlocked Fail Secure = power off, it's locked Electric locking devices include: Electric strikes Electromagnetic locks Electromechanical locks ...
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78How to Survey a Job Site for Electric Locking
An access control system that is hard wired and/or centrally controlled is nothing more than a fancy electrical switch that is used to turn some kind of electric locking device on and off. When you present...
2 comments79Exit Devices with Electric Latch Retraction
Almost all exit device manufacturers offer the option of electric latch retraction on their touchbar-style exit devices. Different manufactures may call it by other names such as 'latch pull-back' or 'remote...
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52hinduism- the caste wall of india-an iconic symbolism of the perils of mindset
we have long evolved from the cavemen concept from hunthers and gatherers we have become cosy computer freaks and constructing the world and at times construct to destruct too caste- the peril of hinduism...
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57What is Static Electricity
Static electricity is a common phenomenon. Probably the most dramatic example of static electricity is lightning. Static electricity is responsible for the shock you receive when reaching for a...
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58List ofCrazy Patents!
Patent Trolling Application - by Halliburton Yes - this Application, by a Halliburton Patent Attorney, seeks a Patent for "Patent Acquisition and Assertion by a (Non-Inventor) First Party Against a Second...
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