Burning, defined in chemical terms as the rapid combination of a substance with oxygen, accompanied by the evolution of heat and usually light. A slow-burning candle flame and the explosion of a mixture of petrol vapour and air are extreme examples of combustion. Combustion is an exothermic reaction as heat energy is given out.
Green symbolizes hopes of prosperity. Yellow stands for economic development and work. Blue represents peace and happiness. The sun represents light and enlightenment. Effective date: 31 December 2001.