OMR MARKING PEN FOR OMR CARD

摘要

In order to precisely mark the marker mark on the mark of the computer for use with an existing OMR card, marking is repeated several times so that a significant marking time is required, and a marking mistake such as peeling and blurring The marking is done like marking by attaching the shape and size marking pen mark suitable for various OMR card answers to prevent marking mistakes such as deviation from marking part and smearing by shortening marking time.