英文關鍵字
background
blurry
bokeh
button
cable
control
controller
crane
device
door
down
electric
electrical
electricity
electronic
element
elevator
emergency
engineer
equipment
factory
fix
garage
hand
hang
hoist
industrial
industry
lift
machine
motorcycle
movement
overhead
panel
path
pendant
power
push
red
remote
repair
shop
stop
switch
technology
tool
traverse
work