Guide. An electroencephalogram (EEG) is a test that measures and records the electrical activity of your brain. Special sensors (electrodes) are attached to your head and hooked by wires to a computer.
The South Korea flag was officially adopted on October 15, 1949. The three black unbroken bars (upper left) symbolize heaven, the trigram (lower left) symbolizes fire, the trigram (upper right) symbolizes water, while the three broken bars (lower right) symbolize earth. The white field represents the traditional color of the Korean people.
According to Standard Shades of the Korean Flag 1997-10, issued by the Ministry of Information in 1997, the officially recommended colours are red 186C and blue 294C in the Pantone Matching System. The main colors used for the South Korean flag is in CIE and also Munsell.