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Also unlike toughened glass, chemically strengthened glass may be cut after strengthening, but loses its added strength within approximately 20 mm of the cut. Similarly, when the surface of chemically strengthened glass is deeply scratched, this area loses its additional strength. Another negative of chemically strengthened glass is the added cost.
The head of state of Sri Lanka is the president. The office has existed since 1972 with the establishment of a Republican government under the 1972 Constitution . However for most of its history, from 543 BC the head of state has been a monarch.
In 1978 Jayewardene introduced a new constitution making Sri Lanka a presidential 'Democratic Socialist' republic, with himself as executive President The Constitution of Sri Lanka: Chapter I – The People, the State and Sovereignty. In 1980 he crushed a general strike by the trade-union movement, jailing its leaders.
The history of Sri Lanka covers Sri Lanka and the history of the Indian subcontinent and its surrounding regions of South Asia, Southeast Asia and the Indian Ocean. Prehistoric Sri Lanka goes back 125,000 years and possibly even as far back as 500,000 years. [1] The earliest humans found in Sri Lanka date to Prehistoric times about 35,000 years ...
The president of Sri Lanka is the elected head of state and the chief executive of Sri Lanka. The president is a dominant political figure in the country. The office was created in 1972, as more of a ceremonial position. It was empowered with executive powers by the 1978 Constitution introduced by J. R. Jayewardene.
The Triplex Safety Glass Company Ltd was founded in 1912 by Kent-born Reginald Delpech (30 March 1881 - 29 May 1935). [ 2 ] [ 3 ] The company was established in 1912 to build laminated windscreens in Britain, under French patents.
In 1972, the country was renamed as the Free, Sovereign and Independent Republic of Sri Lanka, and the position was known as the prime minister of Sri Lanka from then onwards. The prime minister also held the unified Ministry of External Affairs and Defence until 1977, when the government of J. R. Jayewardene split the ministry into two ...
Great Rebellion of 1817–1818 (Sinhala: ඌව වෙල්ලස්ස මහා කැරැල්ල), also known as the 1818 Uva–Wellassa Rebellion (after the two places it had started), was the third Kandyan War in the Uva and Wellassa provinces of the former Kingdom of Kandy, which is today the Uva province of Sri Lanka.