Charcoal is made into briquettes in many countries using specific machines, and is formed into various shapes; you can find round, square, rectangular, triangular, hexagonal, and octagonal charcoal. Their sizes also vary; some are small, while others are large and are used as fuel and for grilling. There are many sources of charcoal in general;

There are also charcoal made from wood wastes resulting from cutting trees, leftover logs, twigs, side branches, and bark, and charcoal made from agricultural and forest wastes, such as rice husks and coconut shells. Charcoal is characterized by...