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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. 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 ...

  4. Best Lock Corporation - Wikipedia

    en.wikipedia.org/wiki/Best_Lock_Corporation

    Best Lock Corporation was established later to manufacture and sell a new tubular lockset called the 10K. Over time, the roles of these three companies changed. Frank E. Best, Inc. became, in effect, a holding company above Best Universal Lock Corporation, which in turn, controlled Best Lock Corporation which manufactured and sold the Best line ...

  5. 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]

  6. Tubular pin tumbler lock - Wikipedia

    en.wikipedia.org/wiki/Tubular_pin_tumbler_lock

    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.

  7. 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 ...

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