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MK Electric is a company that makes electrical accessories. The company's headquarters are in Basildon , Essex , England , from where it sells goods worldwide. History
The most common use of a pull switch is to operate a ceiling electric light.The ceiling fan and mechanical wall fans are also appliances often operated by pull switches. . Pull switches may be either two-position (open or closed) or multi-position (allowing for different fan speeds or levels of illuminati
The 5-inch (127 mm)/54-caliber (Mk 45) lightweight gun is a U.S. naval artillery gun mount consisting of a 5 in (127 mm) L54 Mark 19 gun on the Mark 45 mount. [1] It was designed and built by United Defense , a company later acquired by BAE Systems Land & Armaments , which continued manufacture.
On 2 January 1947, North American received a production contract for the bomber, designated B-45A, from the USAF. On 24 February 1947, the prototype performed its maiden flight. Soon after its entry to service on 22 April 1948, B-45 operations were troubled by technical problems, in particular poor engine reliability.
Many modern fire alarm pull stations are single-action and only require the user to pull down a handle to sound the alarm. Other fire alarm pull stations are dual-action, and as such require the user to perform a second task before pulling down, such as lifting or pushing in a panel on the station or breaking a glass panel with an attached hammer.
In building wiring, multiway switching is the interconnection of two or more electrical switches to control an electrical load from more than one location.A common application is in lighting, where it allows the control of lamps from multiple locations, for example in a hallway, stairwell, or large room.
That eliminates the need to pull the trigger or to control the fall of the hammer; however, since all mechanisms can fail, it is still necessary to keep the muzzle of the gun pointed in a safe direction while decocking. A decock/safety is a combination manual safety switch and decocking lever. Two popular variants exist.
In 1944, the material shortages of the Third Reich led to the development of a newer material-saving simplified version of the MG 42, the MG 45 (or MG 42V).. The MG 45/42V is considered a different type of firearm than the MG 42, as the operating mechanisms of these two machine guns are different.