起飞前，工程师对飞机引擎进行了彻底的检查。

The engineer conducted a thorough ___inspection of the aircraft's engine before takeoff.

经更仔细的检查，发现这些文件存在多处矛盾。

On closer ___inspection, the documents were found to contain several inconsistencies.

该工厂计划于下周进行一次强制性的健康与安全检查。

A mandatory health and safety ___inspection is scheduled for the factory next week.