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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 ...
Alloy wheels have long been included as standard equipment on higher-priced luxury or sports cars, with larger-sized or "exclusive" alloy wheels being options. The high cost of alloy wheels makes them attractive to thieves; to counter this, automakers and dealers often use locking lug nuts or bolts which require a special key to remove.
Aluminium–manganese alloys (AlMn alloys) are aluminium alloys that contain manganese (Mn) as the main alloying element. They consist mainly of aluminium (Al); in addition to manganese, which accounts for the largest proportion of about 1% of the alloying elements, but they may also contain small amounts of iron (Fe), silicon (Si), magnesium (Mg), or copper (Cu).
Ashtadhatu (Sanskrit: अष्टधातु, romanized: Aṣṭadhātu, lit. 'eight metals'), also called octo-alloy, is an alloy comprising the eight metals of gold, silver, copper, lead, zinc, tin, iron, and mercury, [1] [2] often used for casting metallic idols for Jain and Hindu temples in India.
Sri Lanka emerges as first runners-up in the 2020 Online School Debate Championship, losing to Canada 8–1 in the finals. [63] It was the first instance where Sri Lanka made it to the finals in the history of World Schools Debating Championships. Sri Lanka was also awarded the top-performing ESL team for secondary English-speaking countries. [64]
On 19 March 2020, Sri Lanka reported an increase in cases from the COVID-19 pandemic, but the government went ahead with nominations for the election until 18 March 2020. [86] On 19 March, soon after the nominations ended, the Elections Commission with its powers postponed the elections. [ 68 ]
But currently, most of the potters' wheels are driven by electric motors. While the wheel is turning potters puts a ball of clay at the center of the wheel and moulds the pot with both hands. He makes the shape and the mouth of the pot using the wheel. Then the pot is cut and taken out by using a small spoke.
The 20th Amendment was a frequent political objective of the ruling party Sri Lanka Podujana Peramuna and a core campaign objective of the Gotabaya Rajapaksa administration, which recorded landslide victories in both the 2019 Sri Lankan presidential elections, as well as the 2020 Sri Lankan parliamentary election. On 22 October 2020, the ...