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  2. Permanent account number - Wikipedia

    en.wikipedia.org/wiki/Permanent_account_number

    Application for new PAN Card or/and Changes or Corrections in PAN Data: - Those who have already have a PAN and wish to obtain the new PAN card or want to make some changes/corrections in their PAN data, are required to submit their applications in the following form prescribed by ITD: REQUEST FOR NEW PAN CARD OR/AND CHANGES OR CORRECTION IN ...

  3. Correction fluid - Wikipedia

    en.wikipedia.org/wiki/Correction_fluid

    A correction fluid is an opaque, usually white fluid applied to paper to mask errors in text. Once dried, it can be handwritten or typed upon. It is typically packaged in small bottles, with lids attached to brushes (or triangular pieces of foam) that dip into the fluid. The brush applies the fluid to the paper.

  4. Distortion (optics) - Wikipedia

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

    Distortion (optics) In geometric optics, distortion is a deviation from rectilinear projection; a projection in which straight lines in a scene remain straight in an image. It is a form of optical aberration .

  5. Corrective and preventive action - Wikipedia

    en.wikipedia.org/wiki/Corrective_and_preventive...

    Correction is the action to eliminate a detected nonconformity or nonconformance. Preventive action includes the prediction of problems and attempts to avoid such occurrences (fail-safe) through self-initiated actions and analysis related to the processes or products.

  6. Procedure word - Wikipedia

    en.wikipedia.org/wiki/Procedure_word

    The word "REPEAT" should not be used in place of "SAY AGAIN", especially in the vicinity of naval or other firing ranges, as "REPEAT" is an artillery proword defined in ACP 125 U.S. Supp-2(A) with the wholly different meaning of "request for the same volume of fire to be fired again with or without corrections or changes" (e.g., at the same ...

  7. Optical proximity correction - Wikipedia

    en.wikipedia.org/wiki/Optical_proximity_correction

    Optical proximity correction (OPC) is a photolithography enhancement technique commonly used to compensate for image errors due to diffraction or process effects. The need for OPC is seen mainly in the making of semiconductor devices and is due to the limitations of light to maintain the edge placement integrity of the original design, after ...

  8. San Quentin Rehabilitation Center - Wikipedia

    en.wikipedia.org/wiki/San_Quentin_Rehabilitation...

    San Quentin Rehabilitation Center ( SQ ), formerly known as San Quentin State Prison, [2] is a California Department of Corrections and Rehabilitation state prison for men, located north of San Francisco in the unincorporated [3] place of San Quentin in Marin County . Established in 1852, and opening in 1854, [4] San Quentin is the oldest ...

  9. Corrective lens - Wikipedia

    en.wikipedia.org/wiki/Corrective_lens

    A pair of contact lenses, positioned with the concave side facing upward. A corrective lens is a transmissive optical device that is worn on the eye to improve visual perception. The most common use is to treat refractive errors: myopia, hypermetropia, astigmatism, and presbyopia.

  10. Polyacrylonitrile - Wikipedia

    en.wikipedia.org/wiki/Polyacrylonitrile

    Polyacrylonitrile ( PAN) is a synthetic, semicrystalline organic polymer resin, with the linear formula (CH 2 CHCN) n. [2] Almost all PAN resins are copolymers with acrylonitrile as the main monomer. PAN is used to produce large variety of products including ultra filtration membranes, hollow fibers for reverse osmosis, fibers for textiles, and ...

  11. Wide Area Augmentation System - Wikipedia

    en.wikipedia.org/wiki/Wide_Area_Augmentation_System

    The two types of correction messages received (fast and slow) are used in different ways. The GPS receiver can immediately apply the fast type of correction data, which includes the corrected satellite position and clock data, and determines its current location using normal GPS calculations.