A ceiling is the overhead surface that covers the top of a room, typically hiding the structural elements of the roof or the floor above it. Ceilings matter because they can be decorated for aesthetic purposes—from simple finishes to elaborate artwork like frescoes—and the term also applies to upper limits in other spaces like tunnels.
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天井(てんじょう)とは、部屋など構造物内部の上側の面である。天井仕上材及び天井下地構成材の総称である。
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).