Minimum temperature to which a substance must be heated before it will spontaneously burn independently of the source of heat; for example, ethanol has an ignition temperature of 425°C/798°F and a flash point of 12°C/54°F.
Black represents the occupation of foreigners, red represents the blood of freedom fighters, and green denotes Islam. In the middle of the flag is a mehrab, an arch in a mosque where the congregation stands, and a mender, a pulpit in a mosque. The mehrab and mender are both in white, and are enclosed by wheat. Effective date: 5 February 2002.