英文關鍵字
alarm
background
breaker
broken
burn
burnt
cable
circuit
closeup
cord
damage
damaged
danger
dangerous
defective
electric
electrical
electricity
equipment
extension
failure
fire
flame
hazard
home
house
indoor
loss
outlet
overload
overloaded
plug
power
problem
quality
receptacle
risk
safety
security
shock
short
smoke
socket
strip
surge
system
unplug
voltage
wall
wire