英文關鍵字
appliance
background
begin
beginning
button
buttons
close
connection
control
controlling
detail
device
electric
electrical
electricity
electronic
end
ending
energy
equipment
finger
fingers
hardware
home
house
icon
industrial
light
off
power
press
pressing
push
pushing
red
shutdown
sign
start
starting
stop
switch
switching
symbol
technology
toggle
turn
turned
turning
white