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Sirasa Morning News Apr 29, 2013 09:26 am
INSULATION
A method of isolating or separating one conducting body from another by means of nonconductors to prevent or reduce the transfer of heat; also called heat insulation. Heat, a form of energy, normal More
Assassination
The murder of a public figure is called assassination. Many world leaders have been killed in this way, mostly for political reasons. In the 1900s ordinary citizens and military personnel also became  More
Industrial Revolution
In modern history, the process of change from an agrarian, handicraft economy to one dominated by industry and machine manufacture. This process began in England in the 18th century and from there spr More