The words of the LORD are pure words: as silver triedin a furnace of earth, purified seven times.
耶和华的言语，是纯净的言语。如同银子在泥炉中炼过七次。
2
In order to save energy sources and improve operational condition, the polycrystalline mullite fibre was tried using for the heating furnace of wire rod and bar mill in Xianggang.