- 22254 1152x864 system, scheme, blue
- 21381 1152x864 system, blue, device
- 18124 1152x864 system, shutdown, sign
- 15735 1152x864 system, form, shape
- 15131 1152x864 system, device, glass
- 12722 1152x864 system, form, shape
- 12207 1152x864 system, mechanism, device
- 10308 1152x864 system, face, pink
- 36553 1152x864 mechanism, system, gears
- 31798 1152x864 grid, system, green
- 23401 1152x864 ubuntu, system, multi-colored
- 19228 1152x864 fail, system, code
- 15672 1152x864 device, system, ball
- 13595 1152x864 surface, system, diagram
- 12561 1152x864 lock, system, words
- 1
- 2