Close inspection shows that they are wearing masks with tiny perforations around the eye and nose area for seeing and breathing.

据近距离观察，原来他们戴了面具，眼部和鼻子附近有许多方便观看和呼吸的小孔。

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If you wearing glasses, mask, hat or any other things that may bring trouble to inspection, please take them off according to the immigration officers' instructions.

如果您戴有眼镜、口罩、帽子等影响检查的饰物，请您依照检查人员的提示摘下配合检查。

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As examples cited of the questionable sterility practices, the inspection report describes a technician who was wearing a non-sterile gown and extending his arm over a vial tray containing open, exposed vials.

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