《天工开物·中篇·陶埏》
瓦坯造成后，装入琉璃窑内，每烧一百片瓦要用五千斤柴。
先装入琉璃窑内，每柴五千斤浇瓦百片。
After the tile blanks have been made, they are placed into the glazed tile kiln. 5,000 kilograms of wood must be burned for every 100 tiles that require firing.