Mark Chrzanowski

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15 members • Free

I don't just teach you to polish metal! I teach you to build a $10k/month polishing business!

13 members • $5/month

46.9k members • Free

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@mark-chrzanowski-3157

When over a decade of defense contractor engineering experience meets a decade of metal polishing passion.

Active 4m ago

Joined Mar 10, 2026