Explanatory notes
… tacks, nuts, bolts, screws and other articles of the types described in the Explanatory Notes to headings 73.17 and … (for trees, plants, etc.) not bearing letters, numbers or designs, or bearing only particulars incidental to the … the Explanatory Note to heading 73.08. (12) Tubes and pipes defined in Note 9 (e) to Section XV and tube or pipe …