164A40 
 10S.70-3 
[zhuan1.Homophone
NA brick, tile: 花 designed tiles;
地 tiled floor;
牆 brick wall;
房 a brick house;
空心 insulated tile;
瑤 brick kiln;
敲門 a means to finding favor with influential persons, open sesame, key to understanding.
Words1.頭 [zhuan1tou0], n., a brick. 
2.瓦 [zhuan1wa3], n., a brick; 
3.瓦 [zhuan1wa3], n., debris of broken tiles.