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July 10, 2023, The 25th Hands-on Course: “Assembly/Disassembly of Engine”
The 22nd Hands-on Course:Grass Craft
December 16, 2020, “Assembly/Disassembly of Engine”
December 11, 2019, “Glass Craft”
December 12&13, 2018, “Glass Craft”
December 14, 2017, “Glass Craft”