英文關鍵字
block
cable
current
electric
electrical
electronic
energy
fingers
hand
hold
holding
live
neutral
panel
power
screwdriver
screwing
technology
terminal
test
tool
video
wire
wired
wiring
英文關鍵字
block
cable
current
electric
electrical
electronic
energy
fingers
hand
hold
holding
live
neutral
panel
power
screwdriver
screwing
technology
terminal
test
tool
video
wire
wired
wiring