英文關鍵字
aging
air
apartment
appliances
black
burn
burns
burnt
cause
circuit
current
danger
dangerous
death
device
dirty
electric
electrical
electricity
electronic
engineering
equ
equipment
explosion
faulty
fire
flame
flames
fright
grid
household
housing
loss
office
overload
overvoltage
power
purifier
short
smoke
sparks
technology
the
thermal
ventilator