Anthracite coal
- Anthracite coal grade AC («anthracite-seed»), fraction 6-13 mm
- Anthracite coal grade ASH («anthracite-steel»), fraction 0-6 mm
- Anthracite coal grade AO («anthracite-walnut»), fraction 25-50 mm
- Anthracite coal grade AK («large-anthracite»), fraction 50-100 mm
Anthracite coal is widely used in many industrial areas, as well as in domestic areas – as a fuel for heating residential premises.