Final answer:
With fire protection systems, all our eggs are in the same basket.
Step-by-step explanation:
With fire protection systems, all our eggs are in the same basket.
This means that we are relying on a single system or method to protect our property from fire.
For example, if a building has only one fire alarm system and it fails to work during a fire, there will be no other system in place to provide early warning or suppress the fire.