藝術與建築詞典根目錄
....物件層面
........組件 (層級名)
............成分
................<依一般背景區分之組件>
....................扣件
........................掛鉤 (扣件)
............................<依所懸掛材料區分之掛鉤>
................................<混凝土用掛鉤>
|||....................................橫樑掛鉤
|||....................................底部及凸緣彎式掛鉤
|||....................................底部彎式掛鉤
|||....................................切割與平直掛鉤
|||....................................掛槽線掛鉤
................................<鋼鐵用掛鉤>
....................................鋼對鋼橫樑掛鉤