The completed permit should be at or near the entrance of the confined space for the duration of the work.

工作期间，许可证应当放在有限空间的入口处或者附近。

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Duration: the duration of the work item, this is shown as "Estimate" in the UI, if the contributor doesn't set value to this data field, we believe its value is 0.

持续时间：工作项的持续期，它会在用户界面中显示为“Estimate”，如果操作者并没有对该数据区域设置值，那么我们相信它的值为0。

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Gas Testing Personnel must also be fully trained to understand the test methods, the equipment and the procedures for monitoring throughout the complete duration of the work.

气体检测人员也必须接受全部培训以掌握检测方法、设备使用和作业期间全程监测的程序。

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The plumber would consume the better part of the morning driving to each job site to see that each employee takes their break, leaves the area of work, and stays away from the area of work for not less than the statutory duration of the break.

FORBES: The Disastrous Effect Of One Labor Regulation Intending To Protect Workers

Their tickets will be valid for twice the duration of other drivers and the council said it would work to make pay-and-display machines more accessible.

BBC: Woodbridge Market Hill

Combined with other exams, this test helps determine the geographical region students will work in for the duration of their foundation programme - a two-year training course which forms the bridge between medical school and training for a specialism.

BBC: Junior doctor