Gmdss_e3 : Element 3 - 598/605
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| Why must you never look directly into a fiber optic cable? |
| A) High power light waves can burn the skin surrounding the eye. |
| B) An active fiber signal may burn the retina and infra-red light cannot be seen. |
| C) The end is easy to break. |
| D) The signal is red and you can see it. |
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