Meanwhile, more people are moving into wildland areas, increasing the chance that someone will ignite a fire or be in harm’s way when one begins to grow.

Ignite some fire in this relationship again.

Keep concave mirrors out of direct sunlight, as they can reflect the sun's rays and ignite a fire.

The explosion did not ignite a fire but the building itself sustained severe damage and its roof was blown off.

Secondary side-flashes can be enough to ignite a fire, blow apart brick, stone, or concrete, or injure occupants within a structure or building.