英文關鍵字
adapter
background
black
box
business
button
cable
car
communication
computer
connection
connector
cord
device
digital
disabling
disconnecting
electric
electrical
electricity
electronic
electronics
energy
equipment
hand
hole
isolated
key
metal
mobile
modern
object
office
outlet
phone
plastic
plug
portable
power
punch
red
row
security
socket
supply
switch
technology
tool
turn
turning
usb
wall
white
wire