New plans added on 11/13: Click here for 2,577 plans for homemade tools.
nova_robotics (Dec 6, 2023), tuchie (Dec 6, 2023)
Yep, that is a "pickling" process. Also called acid washing. The balls help to insulate the hot solution and help to keep the nasty fumes to a minimum.
You do not want to get any of that "pickle liquor" on your skin!!!!!
Frank S (Dec 6, 2023), Inflight (Dec 9, 2023), Philip Davies (Dec 7, 2023)
Inflight (Dec 9, 2023)
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