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Under the standard 5.5-hour work-time rule, you start work at 10 am and take no rest break. What is the latest time you must start a rest break of at least 30 minutes?
按通常的5.5小时工作时间规则，你上午10点开始工作且期间未休息。最迟应在何时开始至少30分钟的休息？
Start the rest break by 3:30 pm: 10 am plus 5 hours 30 minutes is 3:30 pm.
最迟下午3:30（15:30）开始休息：10:00加5小时30分等于15:30。
阅读相关知识
Begin at least 30 minutes' rest by the standard continuous-work limit. Loading or administrative duties are work, not rest.
须在达到通常连续工作上限时开始至少30分钟休息。工作时间不只是驾驶时间，不能用装卸或行政工作代替休息。