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  2. Coin-operated toilets make a comeback in Wichita, in an ... - AOL

    www.aol.com/coin-operated-toilets-comeback...

    Generally, the locks were situated on the door of the actual stalls inside the restroom, or on the entry door if the restroom in question was of the single-toilet variety.

  3. Mortise lock - Wikipedia

    en.wikipedia.org/wiki/Mortise_lock

    The term "warded lock" refers to the lock mechanism, while the term "mortise lock" refers to the bolt location. Warded locks contain a series of static obstructions, or wards, within the lock box; only a key with cutouts to match the obstructions will be able to turn freely in the lock and open the latch.

  4. Keystone species - Wikipedia

    en.wikipedia.org/wiki/Keystone_species

    Keystone species play a critical role in maintaining the structure of an ecological community, affecting many other organisms in an ecosystem and helping to determine the types and numbers of various other species in the community. Without keystone species, the ecosystem would be dramatically different or cease to exist altogether. Some ...

  5. Yale (company) - Wikipedia

    en.wikipedia.org/wiki/Yale_(company)

    Initially known as Yale Lock Manufacturing Co., the company later adopted the name Yale & Towne, with its base in Newport, New York. [ 3 ] Between 1843 and 1857, Yale secured eight patents , encompassing items like the pin tumbler safe lock, safe lock, bank lock, vault, safe door bolt, and padlock, registered with the U.S. Patent and Trademark ...

  6. Locksmithing - Wikipedia

    en.wikipedia.org/wiki/Locksmithing

    A commercial, and in some respects a social doubt has been started within the last year or two, whether or not it is right to discuss so openly the security or insecurity of locks. Many well-meaning persons suppose that the discussion respecting the means for baffling the supposed safety of locks offers a premium for dishonesty, by showing ...

  7. Electronic lock - Wikipedia

    en.wikipedia.org/wiki/Electronic_lock

    Electric locks are sometimes stand-alone with an electronic control assembly mounted directly to the lock. Electric locks may be connected to an access control system, the advantages of which include: key control, where keys can be added and removed without re-keying the lock cylinder; fine access control, where time and place are factors; and ...