What is it called when interior walls only partially reach to the next floor leaving a space above the ceiling the space?These interior walls reach only partially to the next floor, which leaves a space between the ceiling and the floor of the next level. This space is called a plenum, and is usually one to three feet wide to allow for ventilation systems that can inexpensively collect returned air from the offices on the floor.
When the lock of a door fails and the door?When the lock of a door fails and causes the door to become unlocked, it is classified as a fail-secure lock. Vibration sensors fall into the motion sensor category. Fire suppression systems typically work by denying an environment one of the three requirements for a fire to burn: a match, fuel, and oxygen.
Is off site computing that uses internet connections dial up connections connections over leased point to point links between offices and other mechanisms?Videoconferencing involves computing that uses telecommunications facilities that encompass connections over the Internet, connections using dial-up connections, connections over leased point-to-point links between offices, and other connection mechanisms used by employees while traveling.
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