Coal is one of the most useful mineral because
of it’s ability to burn. Railroads, Industry and
home heating depended upon it’s energy.
Coal is processed into six basic sizes.
0-Dust 1-Exrta Fine 2- Fine
3-Medium 4-Large 5-Coarse
Real Life terms
0-Dust 1-Stocker 2-Nuggets
3-Stove 4-Egg 5-Lumps