… worked; shells of molluscs, crustaceans or echinoderms and cuttle-bone, unworked or simply prepared but not cut to …
Explanatory notes
… worked; shells of molluscs, crustaceans or echinoderms and cuttle-bone, unworked or simply prepared but not cut to … not having undergone processes extending beyond simple cutting. (3) Shells, unworked or simply prepared but not … beyond cleaning or simple cutting. The heading includes cuttle‑fish bone, crushed or powdered shells used as animal …