Gae-tan! Today's word is "charcoal"

Gae-tan! Today's word is "charcoal"
 An English vocabulary book for games that you can learn by looking at them, or "Gae-tan!" for short. Today's word is "charcoal". The meaning is charcoal. Charcoal, which is generated by burning wood, is one of the standard items in survival games. In many cases, charcoal is produced as a by-product of bonfires....

The linked article is in Japanese.