As the popping sound of the fireworks stopped, it suddenly became quiet around me. The smell of gunpowder somehow put me in a sentimental mood.

They blew up the bridge with gunpowder.

The Middle East is still called a powder keg.

Gunpowder needs to be handled very carefully.

We must prevent the fire from reaching the gunpowder at any cost.

Do you know who invented gunpowder?