Gōngzuò rényuán / zhèngzài / qīnglǐ / cèsuǒ / lǐ / de / dàfèn / bìng / jìnxíng / wèishēng / chǔlǐ

工作人员正在清理厕所里的大粪，并进行卫生处理。

The staff are cleaning human waste from the toilet and treating it hygienically.