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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. Category:Islands of the Florida Keys - Wikipedia

    en.wikipedia.org/wiki/Category:Islands_of_the...

    This is a non-diffusing subcategory of Category:Islands of Florida. It includes Islands that can also be found in the parent category, or in diffusing subcategories of the parent. Subcategories

  5. Redhibition - Wikipedia

    en.wikipedia.org/wiki/Redhibition

    The defect must have existed at the time of the sale. The law presumes that if a defect is noticed within three days of purchase, it existed at the time of sale. If a defect becomes obvious more than three days after purchase, the responsibility for proving that it existed at the time of the sale rests with the buyer.

  6. Wood scribe - Wikipedia

    en.wikipedia.org/wiki/Wood_scribe

    A wood scribe is a tool for marking wood by scratching the surface visibly. A wood scribe is often used with a try square for accurate scribing. A marking gauge is a more specific form of wood scribe used to accurately mark wood for cutting, often for laying out mortise and tenon joints.

  7. Latent defect - Wikipedia

    en.wikipedia.org/wiki/Latent_defect

    In construction contracting, a latent defect is defined as a defect which exists at the time of acceptance but cannot be discovered by a reasonable inspection. [2]In the 1864 US case of Dermott v Jones, the latent defect lay in the soil on which a property had been built, giving rise to problems which subsequently made the house "uninhabitable and dangerous".

  8. Scribing (cartography) - Wikipedia

    en.wikipedia.org/wiki/Scribing_(cartography)

    A stylus of required thickness is set in the trolley and the surface material is removed by applying light pressure as the trolley is moved over the image. Care must be taken to ensure the base material is not gouged or distorted. Either a round point or chisel point stylus may be used.

  9. Race knife - Wikipedia

    en.wikipedia.org/wiki/Race_knife

    A folding race knife Race knife used by surveyor John Woodlock to cut distinctive marks in witness trees, 1850-1867 - Wisconsin Historical Museum - DSC03281 A common example of carpenter's marks made with a race knife- Amsterdam - 20377790 - RCE