- 18095 1280x720 system, shutdown, sign
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- 12699 1280x720 system, form, shape
- 10279 1280x720 system, face, pink
- 12181 1280x720 system, mechanism, device
- 15718 1280x720 system, form, shape
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- 12484 1280x720 lock, system, words
- 36468 1280x720 mechanism, system, gears
- 23290 1280x720 ubuntu, system, multi-colored
- 31766 1280x720 grid, system, green
- 15634 1280x720 device, system, ball
- 13582 1280x720 surface, system, diagram
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