電極
accumulator
alternating
ampere
automotive
battery
bulb
charge
conductors
counter
current
diagnostic
digital
display
electric
electrical
electrician
electricity
electronic
energy
equipment
fluorescent
gauge
icon
incandescent
indication
instrument
instrumentation
knife
lamp
light
lightbulb
meter
power
reflection
repair
resistance
screwdriver
semiconductor
set
socket
solar
spanner
test
toolbox
tools
volt
voltage