assignment in Computer

Rubber Varieties
Natural rubber was discovered in Brazil in South America about 450 year ago
as an exudated mass caused due to drying of milky liquid oozing out of certain
rubber trees.
Today there is not just one substance called rubber, but a class, made up of a
number of materials that have the unique property of high elasticity.
< The Rubber tree, Hevea brasiliensis
World Rubber Production
In 1991 Thailand replaced Malaysia as the top producer and exporter of natural rubber products. This has been the result of a re-planting program. A majority of Thailand's rubber plantations are located in the southern part of the country.
Thailand leads the rubber producing countries in research and development of natural rubber. This makes Thai natural rubber is the most dependable and consistent.
A majority of rubber products are exported in their raw form such as
Technically Specified Rubbers: STR, RSS, Skim Block, ADS, Crape, and
Concentrate Latex. Exports account for 90 percent of natural rubber
production. The remaining 10 percent is utilized by local manufactures.
Of the 10 percent of total production that is utilized domestically, 55 percent of this amount is processes as value-added goods. Major manufactured rubber product are tires and inner tubes for automotive.