Explanatory notes
… is provided by the action of compressed air, steam, exploding cartridges, etc., exerted on a trolley or ram on … in heading 87.05 or 87.16 respectively (but see the Explanatory Note to heading 87.16). (2) A device known as a … of the Notes to Section XVII (see the corresponding General Explanatory Note). * * * The heading excludes , however, …