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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.
Beryllium copper (BeCu), also known as copper beryllium (CuBe), beryllium bronze, and spring copper, is a copper alloy with 0.5–3% beryllium. [1] Copper beryllium alloys are often used because of their high strength and good conductivity of both heat and electricity. [2] It is used for its ductility, weldability in metalworking, and machining ...
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 ...
Transfer printing is a method of decorating pottery or other materials using an engraved copper or steel plate from which a monochrome print on paper is taken which is then transferred by pressing onto the ceramic piece. [1] Pottery decorated using this technique is known as transferware or transfer ware.
The union was founded in 1893 in Boston, as the National Steel and Copper Plate Printers' Union of the United States. It was chartered by the American Federation of Labor on July 2, 1898. In 1901, it changed its name to the International Steel and Copper Plate Printers of North America , to include members in Canada.
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 ...
The Chamak charter consists of a series of copper plates linked together with a ring held with a seal. The text of the inscription is Sanskrit throughout. The object of the inscription is to record the grant, by Pravarasena II, of the village Charmāka situated on the bank of the Madhunadī in the rājya of Bhojakaṭa.
Vehicle registration plates of Malaysia. A standard Peninsular Malaysian number plate, registered in Penang and affixed on a dealership plate frame. The Electric Vehicle (EV) number plate was introduced in September 2024. It follows a European-style number plate size with black FE-Schrift font letters on a white reflective background and a ...