Why did the Germans start using a rubber sheet or coating on their U-boats? What were the holes in the rubber used for? - Quora
Why did the Germans start using a rubber sheet or coating on their U-boats? What were the holes in the rubber used for? - Quora
Why did the Germans start using a rubber sheet or coating on their U-boats? What were the holes in the rubber used for? - Quora
Why did the Germans start using a rubber sheet or coating on their U-boats? What were the holes in the rubber used for? - Quora
![Detail of Old Boat Hull with Rust and Peeling Paint Stock Photo - Image of grunge, flaked: 210479850 Detail of Old Boat Hull with Rust and Peeling Paint Stock Photo - Image of grunge, flaked: 210479850](https://thumbs.dreamstime.com/b/detail-old-boat-hull-rust-peeling-paint-authentic-boat-hull-rust-marks-peeling-paint-general-weathered-look-210479850.jpg)
Detail of Old Boat Hull with Rust and Peeling Paint Stock Photo - Image of grunge, flaked: 210479850
Why did the Germans start using a rubber sheet or coating on their U-boats? What were the holes in the rubber used for? - Quora
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