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Tempered or toughened glass is a type of safety glass processed by controlled thermal or chemical treatments to increase its strength compared with normal glass. Tempering puts the outer surfaces into compression and the interior into tension .
Toughened glass is processed by controlled thermal or chemical treatments to increase its strength compared with normal glass. [6] Tempering, by design, creates balanced internal stresses which causes the glass sheet, when broken, to crumble into small granular chunks of similar size and shape instead of splintering into random, jagged shards.
The S&P SL20, or the Standard & Poor's Sri Lanka 20, is a stock market index, based on market capitalization, that follows the performance of 20 leading publicly traded companies listed in the Colombo Stock Exchange.
It is based on market capitalisation. Weighting of shares is conducted in proportion to the issued ordinary capital of the listed companies, valued at current market price (i.e. market capitalisation). The base year is 1985, and the base value of the index is 100. This is the longest and the broadest measure of the Sri Lankan Stock market.
ICRA Lanka adjudged the issue as an A Credit Enhancement rating with a stable outlook. [9] The company was awarded the silver award in the trading companies category at the 54th Annual Report Awards in 2018. The awards ceremony is organised by the Institute of Chartered Accountants of Sri Lanka and the ceremony was held at Shangri-La Colombo. [10]
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 Lanka Hospitals Corporation: 22,351: 0.63 Health Care Equipment and Services: 1997 [39] Teejay Lanka: 22,147: 0.62 Consumer Durables and Apparel: 2000 [40] Brown and Company: 21,422: 0.60 Capital Goods: 1892 [41] Dilmah Ceylon Tea Company: 20,986: 0.59 Food, Beverage and Tobacco: 1981 [42] Sunshine Holdings: 20,909: 0.59 Food, Beverage and ...
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.