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  2. Laguna Copperplate Inscription - Wikipedia

    en.wikipedia.org/wiki/Laguna_Copperplate_Inscription

    Laguna Copperplate Inscription. The Laguna Copperplate Inscription (Filipino: Inskripsyón sa binatbát na tansô ng Laguna) is an official acquittance (debt relief) certificate inscribed onto a copper plate in the Shaka year 822 (Gregorian A.D. 900). It is the earliest-known, extant, calendar-dated document found within the Philippines.

  3. Lee Kee Group - Wikipedia

    en.wikipedia.org/wiki/Lee_Kee_Group

    Lee Kee Group Limited (HKEx: 0637), commonly referred to as Lee Kee, is a prominent supplier of non-ferrous metals based in Hong Kong that operates across Asia, established in 1947 by Chan Chak Hong. The company achieved a milestone on October 4, 2006, by being listed on the Main Board of the Hong Kong Stock Exchange .

  4. Sohgaura copper plate inscription - Wikipedia

    en.wikipedia.org/wiki/Sohgaura_copper_plate...

    Present location. Sohgaura. Sohgaura. The Sohgaura copper plate inscription is an Indian copper plate inscription written in Prakrit in the Mauryan period Brahmi script. [1] It was discovered in Sohgaura, a village on the banks of the Rapti River, about 20 km south-east of Gorakhpur, in the Gorakhpur District, Uttar Pradesh, India. [2]

  5. Quilon Syrian copper plates - Wikipedia

    en.wikipedia.org/wiki/Quilon_Syrian_copper_plates

    The Kollam (Quilon) Syrian copper plates, also known as the Kollam Tarisappalli copper plates, document a royal grant issued by Ayyan Adikal, the chieftain of Kollam, to a Syrian Christian merchant named Mar Sapir Iso in Kerala, India. The inscription is engraved on six copper plates in Old Malayalam or early Middle Tamil, using Vattezhuthu ...

  6. Copper extraction - Wikipedia

    en.wikipedia.org/wiki/Copper_extraction

    Copper(II) ions migrate through the electrolyte to the cathode. At the cathode (reduction reaction), Cu 2+ ions are reduced in copper metal and Cu (s) plates out, but less noble constituents such as arsenic and zinc remain in solution unless a higher voltage is used. [52] The reactions involving metallic copper and Cu 2+ ions at the electrodes ...

  7. ASE Group - Wikipedia

    en.wikipedia.org/wiki/ASE_Group

    The company's main operations are in Kaohsiung, Taiwan, with other plants located in China, South Korea, Japan, Malaysia and Singapore. It also has offices and service centers in China, South Korea, Japan, Singapore, Belgium and the United States. [24] On 1 October 2013, a water incident occurred at the ASE K7 facility. [25]

  8. Copper electroplating - Wikipedia

    en.wikipedia.org/wiki/Copper_electroplating

    Copper electroplating. Copper plating on aluminium. Copper electroplating is the process of electroplating a layer of copper onto the surface of a metal object. Copper is used both as a standalone coating and as an undercoat onto which other metals are subsequently plated. [ 1 ] The copper layer can be decorative, provide corrosion resistance ...

  9. Sikh copper-plate inscriptions - Wikipedia

    en.wikipedia.org/wiki/Sikh_copper-plate_inscriptions

    The current custodians of the copper plate claim the Sikh guru visited the Kapal Mochan temple two times, with the visits taking place in 1679 and 1688 respectively.: 240–242 According to them, while the Guru gifted an inscribed copper plate in 1679, he also gifted an illuminated Hukamnama document during his 1688 visit to the premises.