| 1 | Bacteria are invisible to the naked eye. | |
| 2 | We can not see bacillus with eyes. | |
| 3 | These stars are visible to the naked eyes. | |
| 4 | A great number of these collisions create the light that's visible to the naked eye. | |
| 5 | Look for a stone of VS2 or better, which means none of the inclusions are visible to the naked eye. |
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