英文關鍵字
ampere
basement
bulb
burning
care
cellar
circuit
concept
dangerous
dark
darkness
deadly
device
electric
electrical
electricity
energy
fire
flame
flash
fluctuations
hazard
hot
insurance
interrupt
interrupter
isolated
lamp
lights
mains
out
outlet
plug
power
problems
protect
protection
repairing
risk
safety
shock
short
socket
sparkle
technology
volt
voltage
volts
warning
white