Explanatory notes
… than rectangular (including square), ground, polished, chamfered, drilled, varnished, enamelled, moulded or … wall tiles, flags and slabs (for paving, for buildings, for chemical installations, etc.); troughs, reservoirs, basins, … agglomerated slate. The heading excludes : (a) Granules, chippings and powder of slate, not artificially coloured ( …