According To Dk Code 021:2015: 09110000-3 – Solid Fuel (G(G2) 13-100 Grade Hard Coal, Nomenclature Position Dk 021:2015 Code 09111100-1 – Coal; Fuel Coal Briquette, Nomenclature Position Dk 021:2015 Code 09111220-8 – Briquetted Coal; Or Equivalents)