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/diy/ - Do It Yourself

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>> No.1544612 [View]
File: 663 KB, 2592x1936, battery2.jpg [View same] [iqdb] [saucenao] [google]
1544612

>>1544610
I wonder if the black stuff on the wall is corrosion from the acid, burn from exploding hydrogen gas, or just some lead residue.

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