[WRITING MATERIALS-NAMELY, FOUNTAIN PENS AND RUBBER ERASERS WITH AND WITHOUT WOOD COVERING, BILLIARD CHALK,] CRAYONS, PENCILS-NAMELY, WOOD ENCASED LEAD PENCILS, [MECHANICAL OR PROPELLING PENCILS, REFILL LEADS, DRAWING CHALKS, AND CHECKING COLOURED CHALK PENCILS AND TRACING PAPER]

ASCORBIC ACID, OTHERWISE KNOWN AS VITAMIN C