Surah Al-Kahf, Verse 96

ءَاتُونِي زُبَرَ ٱلۡحَدِيدِۖ حَتَّىٰٓ إِذَا سَاوَىٰ بَيۡنَ ٱلصَّدَفَيۡنِ قَالَ ٱنفُخُواْۖ حَتَّىٰٓ إِذَا جَعَلَهُۥ نَارٗا قَالَ ءَاتُونِيٓ أُفۡرِغۡ عَلَيۡهِ قِطۡرٗا٩٦

ātūnī zubara l-ḥadīdi ḥattā idhā sāwā bayna l-ṣadafayni qāla unfukhū ḥattā idhā jaʿalahu nāran qāla ātūnī uf'righ ʿalayhi qiṭ'ran

Bring me bars of iron" - until, when he had leveled [them] between the two mountain walls, he said, "Blow [with bellows]," until when he had made it [like] fire, he said, "Bring me, that I may pour over it molten copper."