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Old March 21, 2009, 09:34 AM
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magelan magelan is offline
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You will have to list each block, components and dig what metal they're made of. Some may actually be a mix of two metals or more so you have to make sure everything is of the same type or close enough to be compatible with one another on the galvanic scale.

Here's a website with a scale:
Galvanic and Corrosion Compatibility Dissimilar Metal Corrosion - Engineers Edge
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