機器
attack
black
blank
board
business
button
circle
closeup
concept
control
danger
emergency
empty
equipment
factory
green
grunge
icon
industrial
industry
key
light
macro
metal
object
off
panel
panic
photo
plant
plastic
point
power
press
push
red
retro
room
round
safety
service
ship
sign
stop
switch
symbol
technology
text
vintage