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Manganin is a trademarked name for an alloy of typically 84.2% copper, 12.1% manganese, and 3.7% nickel. It was first developed by Edward Weston in 1892, improving upon his Constantan (1887). Manganin foil and wire is used in the manufacture of resistors , particularly ammeter shunts , because of its virtually zero temperature coefficient of ...
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This is a list of named alloys grouped alphabetically by the metal with the highest percentage. Within these headings, the alloys are also grouped alphabetically. Within these headings, the alloys are also grouped alphabetically.
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This page was last edited on 11 January 2025, at 09:10 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
The history of Sri Lanka is unique because its relevance and richness extend beyond the areas of South Asia, Southeast Asia and the Indian Ocean. The early human remains which were found on the island of Sri Lanka date back to about 38,000 years ago ( Balangoda Man ).
During Sri Lanka's 68th national independence day celebrations on 4 February 2016, the Tamil version of the Sri Lankan national anthem, "Sri Lanka Matha", was sung at an official government event for the first time since 1949. [59]
The most recent site, the Central Highlands of Sri Lanka, was listed in 2010. The Central Highlands and the Sinharaja Forest Reserve are natural sites, the other six are cultural. In addition, Sri Lanka has four sites on its tentative list. The country served as a member of the World Heritage Committee in the years 1983–1989. [3]
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