There was a real danger that pouring water into the core of the reactor would create an explosive mixture of gases.

It was the explosive mixture of professional media campaigning, organization and civil disobedience that drove change.

This can be a drawback, since they compose an explosive mixture, demanding further gas purification.

These riveted tanks leaked, which resulted in an explosive mixture.

Certainly no one else could produce an explosive mixture from nothing more than common sand and water, or create a triangle with three right angles.