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Patterned after commercial restaurant equipment, Thermador developed the first home version warming drawer in 1952, a kitchen appliance that warmed dishes and foods while the oven was in use. Thermador continued to improve on kitchen appliances with the first self-cleaning oven in 1963. During the 1970s, Thermador continued to innovate. [3]
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]
Typical single door electromagnetic locks are offered in both 600 lbf (2,700 N) and 1,200 lbf (5,300 N) dynamic holding force capacities. A "fail safe" magnetic lock requires power to remain locked and typically is not suitable for high security applications, because it is possible to disable the lock by disrupting the power supply.