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The twistlock was developed in Spokane, Washington, in the 1950s by transport engineer Keith Tantlinger. [2] [3] The relative obscurity of this invention belies its importance to a more efficient world trade and transport, as the Tantlinger lock made handling and stacking standard containers much easier.
Rotational wristlock by an Aikido instructor. A rotational wristlock (in budo referred to as kote hineri, and in Aikido referred to as a type of sankyō, 三教, "third teaching") [5] [6] is a very common type of wristlock, and involves forced supination or pronation of the wrist, and is typically applied by grabbing and twisting the hand.
It features a twist-lock design with a metal sleeve full protecting the blades on the male connector and a center ground spike on the female connector to aid in centering. [ 24 ] California connectors are commonly used at outdoor events, shows and conventions and at construction sites.
One apparent disadvantage of twist-lock connectors is that in the event that the cable is accidentally pulled too hard, rather than the plug falling out of the receptacle, exposed conductors may come out of the plug, causing dangerous shorts or shock hazards if the circuit is live.
IEC 60309 (formerly IEC 309 and CEE 17, also published by CENELEC as EN 60309) is a series of international standards from the International Electrotechnical Commission (IEC) for "plugs, socket-outlets and couplers for industrial purposes".
It had Asprey's signature twist lock and polished gold hardware, adding a touch of refined glamour in line with her gold earrings. Kate Middleton carrying an Asprey London handbag Getty Images.
Compact fluorescent lamp with GU24 cap. A GU24 lamp fitting is a bi-pin connector for compact fluorescent lamps (CFL) or LED lamps that uses a bayonet mount–like twist-lock bi-pin connector instead of the Edison screw fitting used on many CFLs, LED lamps and incandescent light bulbs.
Key takeaways. A mortgage rate lock does just that: locks in your mortgage rate so that it won't change for a certain period. Mortgage rates change frequently.