… Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into …
Explanatory notes
… 25.14 ‑ Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into … sawn to shapes other than rectangular (including square), ground, polished, chamfered or otherwise worked. (b) Roofing, facing and damp course slates, even if shaped or …