All personnel on the SECCO Construction Site are required to carry on their person a pair of clean, good quality Safety Spectacles.

赛科施工现场的所有人员要随身携带一副洁净的、高质量的安全眼睛。

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Her spectacles were propped up on her gray head for safety.

为了安全起见，她把眼镜架在灰白的头上。

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Conclusion: Safety lens of spectacles can protect the occurrence of ocular traumas.

结论：安全镜片可以预防眼镜碎片所致的眼外伤。

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