英文關鍵字
antivirus
automatic
best
bulb
button
changing
closeup
concept
control
dangerous
detail
edison
electrical
electricity
electronic
engine
equipment
finger
glass
glow
hand
imagination
industry
inspiration
intelligence
knob
light
lightbulb
machine
modern
noise
piston
power
press
protection
push
racing
reverse
rpm
shiny
start
starter
stop
switch
technology
transportation
turn
value
vehicle
virus