Why has a secondary ingnition source be available during a ride with a hot-air balloon?

Question

Question Quiz BPL Hot Air - Balloon Pilot License - Operational Procedures

QuizVDS · Accepted Answer

To re-ingnite the burner or pilot flames after flameout.

QuizVDS · Answer

As an emergency lighting during night.

QuizVDS · Answer

To check seals of hose connections during darkness.

QuizVDS · Answer

To provide light signals by a camping fire after an emergency landing.

Id 373 - BPL Hot Air - Why has a secondary ingnition source be available during a ride with a hot-air balloon?