charcoal

She says she also taught them "survival skills" – including how to filter water with charcoal to make it safer to use.

Somehow, he had managed to get his hands on the ingredients for gunpowder - potassium nitrate, sulphur and charcoal.

The country's environment ministry believes the fire broke out on Monday at a charcoal production outside the park's borders.

There are at least two barbecues, one propane, one charcoal.

Many of her supplies were cindered, but she found some black charcoal paper and pastels and “started doing these bizarre drawings, like stream-of-consciousness stuff.”