1991³â¿¡ ¼³¸³ÇÏ¿© ÇöÀç±îÁö ±ºÆ÷½ÃÀÇ ÃÖ´ë±Ô¸ðÀÎ µ¿±ºÆ÷Çö´ë¼ºñ½º(ÁÖ)ÀÔ´Ï´Ù.
´ç»ç´Â Çö´ëÀÚµ¿Â÷ ºí·çÇÚÁî Á÷¿µ¼ºñ½º °øÀåÀ¸·Î A/Sº¸Áõ¼ö¸®, »ç°í(°¢Á¾ ºê·£µå Á¦ÀÛ»çÂ÷·®)¼ö¸®, ÀϹݼö¸®¿Í °Ë»çÀå(Á¤±â, Á¤¹Ð) ¹× Äɾî(±¤ÅÃ, À¯¸®¸·ÄÚÆÃµî)¹ÝÀ» °®Ãß°í ÀÖ´Â ÀÚµ¿Â÷Á¾ÇÕº´¿øÀÔ´Ï´Ù.
ÀþÀº »ç°íÀÇ °æ¿µ¸¶Àεå¿Í ¼ºñ½º·Î ÃÖ°íÀÇ ±â¾÷À̵ǰíÀÚ ³ë·ÂÇϰíÀÖ½À´Ï´Ù.