Surah Al-Hajj, ayah 20

يُصۡهَرُ بِهِۦ مَا فِي بُطُونِهِمۡ وَٱلۡجُلُودُ ٢٠

Yusharu bihī mā fī butūnihim wal-julūd

By which is melted that within their bellies and [their] skins.