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  2. Lapping - Wikipedia

    en.wikipedia.org/wiki/Lapping

    The small plate shown in the first picture is a hand lapping plate. That particular plate is made of cast iron. In use, a slurry of emery powder would be spread on the plate and the workpiece simply rubbed against the plate, usually in a "figure-eight" pattern. Small lapping machine. The second picture is of a commercially available lapping ...

  3. Hand scraper - Wikipedia

    en.wikipedia.org/wiki/Hand_scraper

    A hand scraper is a single-edged tool used to scrape metal or other materials from a surface. This may be required where a surface needs to be trued, corrected for fit to a mating part, needs to retain oil (usually on a freshly ground surface), or to give a decorative finish. Surface plates were traditionally made by scraping. [1]

  4. Surface plate - Wikipedia

    en.wikipedia.org/wiki/Surface_plate

    Granite surface plate calibration should be performed routinely to maintain proper flatness and ensure measurement accuracy over time. The intervals between calibrations depends on the environment where the surface plate is located. When needed, lapping or resurfacing is provided to bring measurements within grade guidelines.

  5. Category:Companies of Pakistan - Wikipedia

    en.wikipedia.org/wiki/Category:Companies_of_Pakistan

    Pages in category "Companies of Pakistan" The following 5 pages are in this category, out of 5 total. This list may not reflect recent changes. ...

  6. Descon - Wikipedia

    en.wikipedia.org/wiki/Descon

    It was founded in 1977 by Abdul Razak Dawood as Design Engineering and Construction Services (Descon) with an investment of Rs. 3.2 million. [2] It received its first contract when Attock Refinery asked to set up a small refinery in 1978. [2] In 1981, it received a four-year project of National Refinery which helped the company to expand. [2]

  7. Category:Government-owned companies of Pakistan - Wikipedia

    en.wikipedia.org/wiki/Category:Government-owned...

    Pages in category "Government-owned companies of Pakistan" The following 57 pages are in this category, out of 57 total. This list may not reflect recent changes. F.

  8. National Engineering Services Pakistan - Wikipedia

    en.wikipedia.org/wiki/National_Engineering...

    [2] [3] The company's headquarters is located in Lahore, with offices in Riyadh, Muscat, Tehran, Kabul, Doha and London. [4] As of 2016, NES has been contracted to carry out 3,642 projects out of which 3,116 are located in Pakistan and 526 are overseas projects with the cumulative cost of projects at $243 billion.

  9. Category : Companies listed on the Pakistan Stock Exchange

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

    Pages in category "Companies listed on the Pakistan Stock Exchange" The following 120 pages are in this category, out of 120 total. This list may not reflect recent changes .