藝術與建築詞典根目錄
....材料層面
........材料 (材料層面)
............材料
................<依成分區分之材料>
....................無機材料
........................黏土 (無機材料)
............................<黏土製品>
................................磚
....................................<依技術區分之磚>
........................................<依技術區分之磚：乾燥過程>
............................................燒結磚
................................................次等磚
|||....................................................灰色次等磚
|||....................................................欠火磚
|||....................................................塞謬爾磚
................................................硬燒磚
|||....................................................過燒磚