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JF21 - inherited from the Central China Railway, originally built for the Yuehan Railway. JF51 - inherited from the Kunming–Haiphong railway. The locomotives were used across the Chinese railway system, and were in service on the national railway system until 1996; on industrial rail networks some locomotives remained in use until the early ...
A night latch (or night-latch or nightlatch) is a lock that is fitted on the surface of a door; it is operated from the exterior side of the door by a key and from the interior (i.e. "secure") side of the door by a knob. [1] [2] [3]
The China Railways JF21 (解放21, Jiěfàng, "liberation") class steam locomotive was a class of 2-8-2 steam locomotives operated by the China Railway, built by the American Locomotive Company in the United States in 1937.
A deadlocking latch bolt (deadlatch) is an elaboration on the latch bolt which includes a guardbolt to prevent "shimming" or "jimmying" of the latch bolt. When the door is closed, the latch bolt and guardbolt are retracted together, and the door closes normally, with the latch bolt entering the strike plate.
Three point lock are also commonly used in wardrobes, like from Hettich [6] [7] Single-point locking may provide adequate security for some situations on tiered lockers, as the doors are shorter, and therefore more difficult to force open; however, the taller doors of full length lockers and cabinets are more susceptible to the application of leverage.
The DFH2 was originally designed by Sifang locomotive works in 1966 as a passenger locomotive of rated power 1,470 kW (1,970 hp). The design did not enter mass production, but in 1973, the design was changed at Ziyang locomotive works to a 650 kW (870 hp) power locomotive with a top speed of 62 km/h (39 mph).
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2) The Shrinkhala Shaktipeeth (one of 18 Maha Shakta pitha) in West Bengal Hooghly is a disputed site and today only an Islamic Minar is seen there and a door claimed by the locals as the door to the garbagriha of the temple is closed by the ASI. The Hindus claims that the temple was destroyed and the minar was built there.