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A lens which includes some amount of prism correction will displace the viewed image horizontally, vertically, or a combination of both directions. The most common application for this is the treatment of strabismus. By moving the image in front of the deviated eye, double vision can be avoided and comfortable binocular vision can be achieved ...
This is a list of the mammal species recorded in Sri Lanka, with their respective names in Sinhala also listed. There are 125 mammal species in Sri Lanka , of which one is critically endangered, ten are endangered, ten are vulnerable, and three are near threatened.
Amici prism. An Amici prism, named for the astronomer Giovanni Battista Amici, is a type of compound dispersive prism used in spectrometers. The Amici prism consists of two triangular prisms in contact, with the first typically being made from a medium-dispersion crown glass, and the second from a higher-dispersion flint glass.
Sri Lanka Railway Authority. Sri Lanka Rubber Manufacturing Export Co. Ltd. Sri Lanka Rupavahini Corporation. Sri Lanka State Plantations Corporation. Sri Lanka Transport Board. State Development & Construction Corporation. State Engineering Corporation of Sri Lanka. State Mortgage & Investment Bank. State Pharmaceuticals Corporation of Sri Lanka.
Divisional secretariats are the third-level administrative divisions of the country and there are currently [as of?] 331 divisional secretariats in Sri Lanka. [1] They were formerly known as D.R.O. divisions, after the divisional revenue officer. Later the D.R.O.s became assistant government agents and the givisions were known as A.G.A. divisions.
There are also a number of satellite networks and pay per view television networks in Sri Lanka. The national telecommunications provider Sri Lanka Telecom also launched an IPTV service in 2008. Since then, during the last two decades, multiple broadcasting networks have entered the public frequencies. A privately owned company, Swarnawahini ...
Website. waterboard .lk. The National Water Supply and Drainage Board (commonly abbreviated as NWSDB) is the National Organization responsible for the provision of safe drinking water and facilitating the provision of sanitation to the people in Sri Lanka. The organization had its beginning as a subdepartment under the Public Works Department ...
railway station Code District Elevation m Distance between Colombo Fort Km; Colombo Fort: FOT Colombo: 4.87 0 Maradana: MDA Colombo: 5.46 2.08 Dematagoda: DAG Colombo: 3.05