- selective key system
- n.a key system in which every key has the capability of being a master key. It is normally used for applications requiring a limited number of keys and extensive cross keying.
Locksmith dictionary . 2014.
Locksmith dictionary . 2014.
1A2 Key System — The 1A2 Key System is an analog multiline business key telephone system. Unlike more modern multiline systems, every telephone line serving a particular phone is wired into that phone, and electromechanical switches (the keys ) switch the lines… … Wikipedia
Selective calling — SECAL redirects here. For the French wine grape also known as Secal, see Jurançon (grape). In a conventional, analog two way radio system, a standard radio has noise squelch or carrier squelch which allows a radio to receive all transmissions.… … Wikipedia
selective master key — n. an unassociated master key which can be made to operate any specific lock(s) in the entire system in addition to the regular master key(s) and/or change key(s) for the cylinder without creating key interchange … Locksmith dictionary
housekeeper's key — n. a selective master key in a hotel master key system which may operate all guest and linen rooms and other housekeeping areas … Locksmith dictionary
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political system — Introduction the set of formal legal institutions that constitute a “government” or a “ state.” This is the definition adopted by many studies of the legal or constitutional arrangements of advanced political orders. More broadly defined,… … Universalium
Global Positioning System — « GPS » redirige ici. Pour les autres significations, voir GPS (homonymie). Un satellite NAVSTAR (Navigation Satellite Timing And Ranging) appartenant à la constellation du GPS … Wikipédia en Français
nervous system, human — ▪ anatomy Introduction system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… … Universalium