ページの作成:「<br> Borazon is a crystal produced by heating equal quantities of boron and nitrogen at temperatures bigger than 1800 °Celsius, 3300 °Fahrenheit at seven gigapascal one…」
(ページの作成:「<br> Borazon is a crystal produced by heating equal quantities of boron and nitrogen at temperatures bigger than 1800 °Celsius, 3300 °Fahrenheit at seven gigapascal one…」)