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Tombac, or tombak, is a brass alloy with high copper content and 5–20% zinc content. [1] Tin , lead or arsenic may be added for colouration. [ 2 ] [ 3 ] It is a cheap malleable alloy mainly used for medals , ornament , decoration and some munitions .
It is administered by Airport and Aviation Services (Sri Lanka) Ltd and serves as the hub of SriLankan Airlines, the national carrier of Sri Lanka, Fitsair, a privately owned low-cost carrier, and domestic carrier Cinnamon Air. The other airport serving the city of Colombo is Ratmalana International Airport. SriLankan Airlines has its main base ...
Silicon tombac has good friction bearing characteristics and is corrosion resistant but is not resistant to ammonia atmosphere. The strength properties are largely retained at application temperatures up to 200 °C. [1] It is a special alloy in terms of the combination of casting process and casting temperature.
Map of Sri Lanka Colombo's Bandaranaike International Airport is the busiest airport in the country and one of the busiest airports in South Asia. It was estimated to handle over 10.5 million passengers in 2018.
Information Technology in Sri Lanka refers to business process outsourcing, knowledge process outsourcing, software development, IT Services, and IT education in Sri Lanka. [1] Sri Lanka is always ranked among the top 50 outsourcing destinations by AT Kearney , and Colombo and ranked among "Top 20 Emerging Cities" by Global Services Magazine. [ 2 ]
In 1934, the State Council of Ceylon made a decision to construct an aerodrome within reach of the capital city of Colombo and decided on Ratmalana as the best site. [7] On 27 November 1935, a De Havilland Puss Moth flown by Captain Tyndale-Biscoe, chief flying instructor of the Madras Flying Club, was the first aircraft to land at the new airport.
Transport in Sri Lanka is based on its road network, which is centred on the country's commercial capital Colombo. A rail network handles a portion of Sri Lanka 's transport needs. There are navigable waterways, harbours and three international airports: in Katunayake , 35 kilometres (22 mi) north of Colombo, in Hambantota, and in Jaffna.
Flag-shaped ear tag: two discs joined through the ear, one or both bearing a wide, flat plastic surface on which identification details are written or printed in large, easily legible script. Button-shaped ear tag: two discs joined through the ear. Plastic clip ear tag: a moulded plastic strip, folded over the edge of the ear and joined through it.