英文關鍵字
automated
bed
brightly
bulb
button
circuit
computer
concept
connect
control
electric
electricity
electronics
energy
engineering
environment
environmental
finger
flip
generation
hand
home
household
human
indoors
interior
knob
lamp
light
night
off
one
operating
people
person
plastic
plate
power
press
push
red
residential
save
side
supply
switch
turn
utility
wires
working