Always Enabled Vital Cookies are Completely essential for the website to function adequately. This class only includes cookies that assures essential functionalities and security measures of the website. These cookies tend not to keep any personalized information. Non-necessary Non-needed Ctrl + R (Fill Appropriate): This functions the same way but http://mtrc.co.kr/bbs/board.php?bo_table=free&wr_id=3085372