dustproof mahjong setOregon‑pacific‑northwest‑college‑town‑community‑meetup‑circles‑in‑Eugene‑organize‑mahjong‑potluck‑game‑events‑where‑attendees‑are‑encouraged‑to‑bring‑home‑prepared‑food‑dishes‑and‑also‑take‑turns‑transporting‑the‑group‑owned‑shared‑mahjong‑tile‑set‑to‑each‑new‑event‑meeting‑location‑through‑the‑course‑of‑each‑calendar‑month‑period.