2 sentences for 封存 (fēng​cún — seal up)

1. 那批重要的契约和文书都封存在府里。

   nà pī zhòng​yào de qì​yuē hé wén​shū dōu fēng​cún zài fǔ lǐ.

   Those important contracts and documents are all sealed away in the mansion.

   Source: Dong Chinese Dictionary

2. 这些过时的机器设备已经被封存在仓库里。

   zhè​xiē guò​shí de jī​qì shè​bèi yǐ​jīng bèi fēng​cún zài cāng​kù lǐ.

   These outdated machines and equipment have been mothballed in the warehouse.

   Source: Dong Chinese Dictionary