This gunpowder has been used since ancient times.

He was surprised to see the fire truck.

There is an old boiler in this house.

He found an ancient fire clock.

The legend of the fire god is deeply rooted in ancient mythology.

The phoenix, also known as the fire bird, is said to burn itself out and regenerate from the ashes according to legend.

His house suddenly caught fire.

Slash-and-burn agriculture, known as 'Kita', is an ancient farming technique that involves burning forests to create new farmland.

He threw a fireball using magic.

St. Elmo's fire is a phenomenon of electrical discharge that appears on things like ship masts and airplane wings.