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History for materials-dat.md

hechaogm May 06, 2026 magnetic 434119f
hechaogm December 28, 2025 materials 473b9e3
hechaogm December 19, 2025 home 5dd8b3e
hechaogm December 11, 2025 lens 7fb7a1c
hechaogm December 05, 2025 plastic ba4f490