Explanatory notes
… to 76 and 78 to 81 articles are classified according to a specific metal, this Chapter, like Chapter 82, covers … 1). However, the Chapter does not cover springs (even if specialised for locks, etc.), chains, cables, nuts, bolts, … headings of Chapters 73 to 76 and 78 to 81 (see Note 2 to Section XV and Note 1 to this Chapter). …