Explanatory notes
… e.g., extracts of quillaia bark, extracts of liquorice or surface‑active products to help produce a blanket of foam. … product (e.g., carbon tetrachloride, methyl bromide or sulphuric acid). (C) Charged fire‑extinguishing grenades , … or not charged, which are operated by means of a pin, by upturning, striking a trigger, etc., fall in heading 84.24 . …