מִדַּעְתִּ֕י כִּ֥י קָשֶׁ֖ה אָ֑תָּה וְגִ֤יד בַּרְזֶל֙ עָרְפֶּ֔ךָ וּמִצְחֲךָ֖ נְחוּשָֽׁה׃
Porque conozco que eres duro, y nervio de hierro tu cerviz, y tu frente de metal,
Exodus
Make its raised projections on its four corners. Its raised projections shall be of one piece with it, and you shall overlay it [the altar] with copper.