… semi-precious stones, temporarily strung for convenience of transport. …
Explanatory notes
… watches or in tools or, because of their hardness or other special properties, for other industrial purposes (e.g., … in the Annex to this Chapter, the name of the mineralogical species being given with the commercial names; the heading … worked by sawing (e.g., into thin strips), cleaving (splitting along the natural plane of the layers) or bruting, …