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- todayilearned
- cross-posted to:
- todayilearned
This is an automated archive made by the Lemmit Bot.
The original was posted on /r/todayilearned by /u/KimCureAll on 2023-07-02 11:11:05+00:00.
Original Title: TIL how trash is disposed of in modern large submarines. Trash is deposited into a Trash Disposal Unit (TDU) which collects and compacts it into a galvanized steel can. A ball valve is opened allowing the scrap iron-weighted can to fall down to the sea floor.
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