Explanatory notes
… bituminous minerals (e.g., from shale, calcareous rock, sand), i.e., natural products, whatever their composition, … to the following processes : (1) Decantation. (2) De‑salting. (3) Dehydration. (4) Stabilisation in order to … character of the product. The heading also covers gas condensates, i.e., crude oils obtained during the …