Wildfires can cause irreparable damage to the ecosystem.

The fireworks were magnificent tonight!

Firewalls are essential for cybersecurity.

The soldiers found themselves caught in the crossfire.

The will-o'-the-wisps danced in the night.

The green lights are flashing, we can move forward.

Lights out is at 10 p.m.

High-beam headlights are useful for seeing further at night.

Hazard lights are used in case of emergency on the road.

Low-beam headlights must be used when driving at night.