Word: iron in 1 Kings

And the house, when it was in building, was built of stone made ready before it was brought thither: so that there was neither hammer nor axe nor any tool of iron heard in the house, while it was in building.

1 Kings 8:51

For they be thy people, and thine inheritance, which thou broughtest forth out of Egypt, from the midst of the furnace of iron:

1 Kings 22:11

And Zedekiah the son of Chenaanah made him horns of iron: and he said, Thus saith the LORD, With these shalt thou push the Syrians, until thou have consumed them.