A man-made metallic material that produces hot sparks at temperatures of about 3,000 °C (5,430 °F) when scraped against a rough surface. A common fire-starting tool in emergency survival kits.
A man-made metallic material that produces hot sparks at temperatures of about 3,000 °C (5,430 °F) when scraped against a rough surface. A common fire-starting tool in emergency survival kits.