Righteous purpose is strong stuff, and it can be highly flammable.

The fuel tanks were not the only highly flammable materials in the building.

It was highly flammable and had to be sold in metal cans.

So officials point to a combination of factors that make the area highly flammable.

"If you get too much oxygen in the air, the world would become highly flammable, but I think the threshold is probably higher."

We didn't, so they had to use highly flammable hydrogen.

The film stock back then was nitrate and highly flammable.

They were highly flammable and would usually burn off of their wearer after shot.

Certainly it hadn't taken much to ignite the highly flammable gas.

They can serve to store hydrogen gas, which is highly flammable.