bàn / gōng / shì / lǐ / fàng / le / yì / tái / suì / zhǐ / jī / yòng / lái / chǔ / lǐ / jī / mì / wén / jiàn

办公室里放了一台碎纸机，用来处理机密文件。

There is a paper shredder in the office for disposing of confidential documents.