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ASTM F883 is a standard performance specification for padlocks.. This standard was created by the American Standard for Testing and Materials (ASTM). ASTM International, founded in 1898, is an international standards developing organization that develops and publishes standards for a wide range of materials, products, systems, and services.
Padlocks with modular locking mechanisms can often be taken apart to change the tumblers or to service the lock. Modular locking mechanism cylinders frequently employ pin, wafer, and disc tumblers. Padlocks with modular mechanisms are usually automatic, or self-locking (that is, the key is not required to lock the padlock)
"Large format" interchangeable cores (LFIC) are of varying sizes. [ 1 ] By use of an appropriate control key, interchangeable cores can be extracted from one lock type ( bored cylindrical lock , mortise lock , padlock , and so forth) and then installed into another without requiring the removal or disassembly of any single component.
A tubular lock and key. A tubular pin tumbler lock, also known as a circle pin tumbler lock, radial lock, or the trademark Ace lock popularized by manufacturer Chicago Lock Company since 1933, is a variety of pin tumbler lock in which a number of pins are arranged in a circular pattern, and the corresponding key is tubular or cylindrical in shape.
Body sections appear after the lead and table of contents (click on image for larger view). Headings introduce sections and subsections, clarify articles by breaking up text, organize content, and populate the table of contents. Very short sections and subsections clutter an article with headings and inhibit the flow of the prose.
A well-done table of contents is a godsend. It appears high on the page, giving readers a quick overview of the article, as well as a quick route to an interesting part of the article. Best of all, Wikipedia's software generates the table of contents automatically from the section headings (see the section about your first edit). If you get ...
Electric locks use magnets, solenoids, or motors to actuate the lock by either supplying or removing power. Operating the lock can be as simple as using a switch, for example an apartment intercom door release, or as complex as a biometric based access control system. There are two basic types of locks: "preventing mechanism" or operation ...
A type of lock pick used to pick lever tumbler locks. Lever tumbler locks can be picked with a tool called a curtain pick which is inserted into the keyway of the lock, and a force is applied to the locking bolt. The pick is then used to lift each lever inside the lock to the correct height so that the locking bolt can pass.