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A door closer is a mechanical device that regulates the speed and action of a door’s swing. [1] Manual closers store the force used to open the door in some type of spring and reuse it to close the door. Automatic types use electricity to regulate door swing behavior. Door closers can be linked to a building's fire and security alarm systems. [2]
Wall-mounted electromagnetic door holder securing a door in the open position. An electromagnetic door holder (electromagnetic door holder and release or hold-open device, sometimes informally called a mag hold open or electric doorstop) is a simple electromechanical mechanism which can be used to hold a fire door or security door open until given a signal to release.
Season 1 opens with the LAPD's new Priority Murder Squad (PMS), soon renamed the Priority Homicide Division (PHD), under the direction of Deputy Chief Brenda Leigh Johnson investigating the murder of a technological genius.
The intumescent and smoke-seal bounding of fire doors should be routinely checked, as should the action of the door closer and latch. Some fire doors are held open by an electromagnetic door holder, which is typically wired to a fire alarm system. If the power fails or the fire alarm is activated, the coil is de-energized, and the door closes.
The station was handed over to Royal Malaysian Air Force in 1961. During the height of the Emergency, the single runway had the highest number of aircraft movements in the world. The station was situated about 3 miles from the town with its own swimming pool and cinema. It is commonly known to the locals as Sungai Besi Air Force Base.
The Closer is an American police procedural television series starring Kyra Sedgwick as Brenda Leigh Johnson, a Los Angeles Police Department deputy chief.A CIA-trained interrogator originally from Atlanta, Georgia, Brenda has a reputation as a closer—an interrogator who not only solves a case, but also obtains confessions that lead to convictions, thus "closing" the case.
The primary reason for installing an elevator air conditioner is the comfort that it provides while traveling in the elevator. It stabilizes the condition of the air inside the elevator car. Some elevator air conditioners can be used in countries with cold climates if a thermostat is used to reverse the refrigeration cycle to warm the elevator car.
The East Coast Expressway begins from the eastern end of the Kuala Lumpur–Karak Expressway at Karak, Pahang, then runs through Lanchang, Mentakab, Temerloh, Chenor, Maran, Sri Jaya, Gambang, Kuantan, Jabur, Cheneh, Chukai, Kijal, Kerteh, Paka, Dungun, Bukit Besi, Ajil and Telemong, ending in Kampung Gemuruh near Kuala Nerus in Terengganu.