Would like to continue this interesting conversation. Going trough uboat manuals and i see three things.
1) Blowing
2) Venting
3) Flooding
I know what blowing and flooding does. What does venting do? In many places it seems to be similar to flooding but then i see stuff like this in manual standing side by side
"Vent valve for main ballast tank 3"
"Flood valve for main ballast tank 3"
What is the difference?
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