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Under the standard 5.5-hour work-time rule, you start work at 7 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小時工作時間規則，你上午7點開始工作且期間未休息。最遲應在何時開始至少30分鐘的休息？
Start the rest break by 12:30 pm: 7 am plus 5 hours 30 minutes is 12:30 pm.
最遲中午12:30開始休息：7:00加5小時30分等於12:30。
閱讀相關知識
Work includes driving, loading, cleaning, maintenance and administration. This question uses the standard rule, without special exceptions such as specified short-distance small passenger services.
工作時間包括駕駛、裝卸、清潔、維護和行政等工作，不只是車輛行駛的時間。本題採用通常規則，不採用特定短途小型客運等例外。