John and Laura talk about a power outage. John is the electrician. They discuss what went wrong and how to fix it.
Vocabulary:
Short circuit: An electrical problem when wires touch incorrectly.
Basement: The lowest floor of a building, often underground.
Main switch: The switch that controls power to the whole house.
Replace: To put something new in place of something old.
Test: To check if something works correctly.
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