Tiny Bubbles

Today I didn’t have much time to work, but I did want to start the zinc removal on the headrest nuts. Welding zinc plated parts can lead to the discharge of zinc fumes, which can lead to zinc poisoning, which is not any fun from what I hear. So today I dropped a few of the nuts into a small jar of phosphoric acid and watched them bubble. I found the phosphoric acid at the big orange, in the paint stripping aisle.

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