5511: Yarn (o/t sewing thread) of m-m staple fibres, put up for retail sale

551110: Yarn, >/=85% of synthetic staple fibres, o/t sewing thread, put up 551120: Yarn, <85% of synthetic staple fibres, put up for retail sale, nes 551130: Yarn of artificial fibres (o/t sewing thread), put up for retail sale 5511: Yarn (o/t sewing thread) of m-m staple fibres, put up for retail sale