在舷外作业时采取附加安全措施。

Take additional safety measures for work outboard.

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周六舱外作业的准备工作包括程序研究、工具建造、重设太空服手套尺寸。

Preparations for Saturday's spacewalk include studying procedures, building tools and re-sizing a space suit glove.

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舱外航天服除了为航天员在出舱活动时提供基本的生命保障外，还应具有很高的活动性能，从而使航天员能够有效地完成各种舱外作业，这就涉及到工效学的问题。

EVA spacesuit not only provides life support for astronaut, but also should have a high activity performance. So the astronaut can finish all kinds of extravehicular work. It is an ergonomics problem.

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