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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.
Production trends in the top five copper-producing countries, 1950-2012. This is a list of countries by mined copper production. Copper ore can be exported to be smelted so that a nation's smelter production of copper can differ greatly from its mined production. See: List of countries by copper smelter production.
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]
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 ]
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 ...
Copper sheathing. Copper sheathing is a method for protecting the hull of a wooden vessel from attack by shipworm, barnacles and other marine growth through the use of copper plates affixed to the surface of the hull, below the waterline. It was pioneered and developed by the Royal Navy during the 18th century.
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.
The following is a list of countries by refined copper exports. Data is for 2012, 2018 and 2023, in millions of United States dollars , as reported by The Observatory of Economic Complexity . Currently the top ten countries are listed.