gōng / zuò / rén / yuán / àn / zhào / guī / dìng / jìn / xíng / zhān / rǎn / kòng / zhì / bìng / jí / shí / qīng / lǐ / shòu / wū / rǎn / de / qū / yù

工作人员按照规定进行沾染控制，并及时清理受污染的区域。

The staff followed regulations for contamination control and promptly cleaned the contaminated area.