… Bitumen and asphalt, natural; bituminous or oil shale and tar sands; asphaltites …
Explanatory notes
… 27.14 ‑ B itumen and asphalt, natural; bituminous or oil shale and tar sands; asphaltites … sands”). They are brown or black, solid or very viscous mixtures of naturally occurring hydrocarbons with inert mineral matter, …