gōng / rén / bǎ / shēng / shí / huī / jiā / rù / shuǐ / zhōng / shí / bì / xū / dài / hǎo / fáng / hù / zhuāng / bèi

工人把生石灰加入水中时，必须戴好防护装备。

Workers must wear protective equipment when adding quicklime to water.