Cathodic Protection - The impact of corrosion on pipelines
A video animation on the impact of corrosion on pipelines
Made for the US Department of Defense by GSG Systems
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![Die Eisenfaust am Lanzenschaft ✠ [German Bündisch song][+English translation]](https://sun9-57.userapi.com/7lCilL1huccmBMuOD3QatGuTz1-bMavuh7Q-8Q/EaOA41ThI8k.jpg)
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