Al-Kahf 18:96

Atoonee zubara alhadeedi hattaitha sawa bayna asadafayni qalaonfukhoo hatta itha jaAAalahu naran qalaatoonee ofrigh AAalayhi qitra

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."

Bring me big pieces of iron.” (They proceeded accordingly) until when he leveled up (the gap) between the two cliffs, he said, “Blow.” (They complied) until when he made it (like) fire, he said, “Bring me molten copper, and I will pour it upon this.”