… Paving blocks, slabs, bricks, squares, tiles and other articles of pressed …
Explanatory notes
… 70.16 - Paving blocks, slabs, bricks, squares, tiles and other articles of pressed … (rosettes, king-posts, etc.), steps and risers, banister knobs, etc. These articles, which are of different degrees … a specific gravity not exceeding 0.5 (hence its use as a substitute for cork), and is easily drilled, sawn, filed, …