Heating was provided by stoves burning charcoal briquettes. Sawdust is used in the manufacture of charcoal briquettes. Barbecuing is usually done outdoors by smoking meat over wood or charcoal. These are all grilled over wood charcoal. The wood is excellent for firewood and charcoal. In a traditional charcoal or coal forge, the fuel is really just carbon. It was sometimes used as an alternative to black charcoal. Heat is traditionally provided by charcoal or glowing embers. Grilled tempeh over charcoal or fire. Amending ferralsol with wood charcoal greatly increases productivity. Slow pyrolysis produces gases and solid charcoal. There is contention among grilling enthusiasts on what type of charcoal is best for grilling. The properties of the charcoal produced depend on the material charred. She continued working in pencil and charcoal until 1984. The interior is all black ("charcoal") leather.