Eng: Charcoal...

炭

Carbon, Charcoal, Coal

熟

Charcoal, Coke, Cooked, Deep, Deep sleep, Dexterous, Experienced, Familiar with, Know, Learn by, Painstaking, Processed, Ripe, Ripen, Skilled, Slumber, Treated, Well done

煤

Carbon, Charcoal, Coal, Soot

熟炭

Charcoal, Coke