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  2. Surface imperfections (optics) - Wikipedia

    en.wikipedia.org/wiki/Surface_imperfections_(optics)

    These imperfections are part of the surface and cannot be removed by cleaning. Surface quality is characterized either by the American military standard notation (eg "60-40") or by specifying RMS (root mean square) roughness (eg "0.3 nm RMS"). [1] American notation focuses on how visible surface defects are, and is a "cosmetic" specification.

  3. Scriber - Wikipedia

    en.wikipedia.org/wiki/Scriber

    A scriber is a hand tool used in metal work to mark lines on workpieces, prior to machining. The process of using a scriber is called scribing and is just part of the process of marking out . It is used instead of pencils or ink lines, because the latter are hard to see, easily erased, and imprecise due to their wide mark; scribe lines are thin ...

  4. Florida Keys Marathon Airport - Wikipedia

    en.wikipedia.org/wiki/Florida_Keys_Marathon_Airport

    For a time during the 1970s and early 1980s, Air Florida Commuter provided service to Marathon and Key West via a code sharing agreement with Air Florida, followed by Provincetown-Boston Airlines (PBA) which primarily used a combination of DC-3 prop and smaller Embraer EMB-110 Bandeirante commuter turboprop aircraft as well as larger 58 ...

  5. US error coins - Wikipedia

    en.wikipedia.org/wiki/US_error_coins

    When a mint worker polishes a die to remove a die clash or some other defect there may be instances where a part of the design is removed. The 3-legged Buffalo nickel was the direct result of die polishing and the removal of a leg. The 1970 Lincoln cent with the raised 7 is also the result of die polishing. Jefferson nickel with a die crack

  6. Bluegreen Corporation - Wikipedia

    en.wikipedia.org/wiki/Bluegreen_Corporation

    Bluegreen Corporation is an American private vacation ownership brand that is currently a wholly owned subsidiary of Hilton Grand Vacations.The company provides vacations at 50 owned or managed resorts on a time-share basis, with alternative resort and cruise options available through upselling and third-party exchanges. [3]

  7. Boot Key - Wikipedia

    en.wikipedia.org/wiki/Boot_Key

    Boot Key is an island in the middle Florida Keys [1] located adjacent to Key Vaca. Boot Key is within the city limits of Marathon, Florida, United States. The island is largely undeveloped. A draw bridge that once connected the island to Key Vaca was demolished by the city in 2010 after failing FDOT's inspection. [2]

  8. Molasses Keys - Wikipedia

    en.wikipedia.org/wiki/Molasses_Keys

    The Molasses Keys are a small group of islands in the Florida Keys. Located a quarter mile south of the Seven Mile Bridge, 4 miles west of Marathon, and a mile and a half east of Money Key, [1] it is a frequented boating and camping spot. There are four islands, three are always above water, two of which are able to be walked on.

  9. Crane Point - Wikipedia

    en.wikipedia.org/wiki/Crane_Point

    Old Vaca train station at the Crane Point Museum. Crane Point features several facilities: Museum of Natural History of the Florida Keys, exhibits focus on the natural and cultural history of the Keys area, including Calusa Indians, Spanish explorers and other Keys pioneers, pirates, a diorama of a coral reef, butterflies, tree snails, sea turtles, shells, Key deer and local tropical fish.