gōng / zuò / rén / yuán / àn / zhào / cāo / zuò / guī / chéng / jiǎn / chá / le / jī / qì / què / bǎo / yùn / xíng / ān / quán

工作人员按照操作规程检查了机器，确保运行安全。

The staff inspected the machine according to the operating procedures to ensure safe operation.