Economic and Environmental Geology

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Fig. 2 Conservation status of joint filler for the stained glass window in Gongju Jeil Church. (A) Micro cracks. (B) Structural cracks. (C) Relatively wide cracks. (D, E) Chemical and physical weathered surface of the joint filler. (F) Internal iron frame exposed and rusted on the surface.
Econ. Environ. Geol. 2023;56:103~114
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