The pipe, which can be dropped from 40, 000 feet and tracked for 200 miles, makes a whoosh on its descent, reminding me of the sound of those old pneumatic tubes in department stores.

纸板管被从40 000英尺高空投下，可跟踪200英里，它嗖嗖地飞速移动，让我想起了百货商店里老旧气压管道的声音。

youdao

Most spending will go to information technology, in an era when many states still run Medicaid using paper forms and pneumatic tubes.

WSJ: Review & Outlook: Hope and Exchange