磷石膏是磷酸工业和某些合成洗涤产品工业的副产品，粉煤灰是在煤灰锅炉废气中收集下来的粉末。
Phosphorus-gypsum is a by-product of phosphoric acid and some Compound Washing product industry . Powdered coal ash is a kind of powder which collected from waste gases of coal ash boiler .
主要的材料为：黑色与白色合成石，拉膜灯箱，彩色夹胶玻璃，彩虹亚克力板，铝板，高强石膏板等。
The key materials are: Black and white reconstituted stone, stretch ceiling light box, tinted laminated glass, rainbow tinted acrylic, composite aluminium panels and glass Reinforced Gypsum board.
在用手摸了摸墙后，曾做过建筑工人的Demczur先生发现，墙壁是由数层一英尺厚的面板砌成，面板是由一种叫石膏灰胶纸夹板的人工合成隔板材料做成的。
After feeling the wall, Mr Demczur, a former builder, saw that it was made of layers of inch-thick panels of synthetic partition material known as sheetrock.
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