Job 19:24

19:24 that with an iron chisel and with lead

they were engraved in a rock forever!

Job 20:24

20:24 If he flees from an iron weapon,

then an arrow from a bronze bow pierces him.

Job 28:2

28:2 Iron is taken from the ground,

and rock is poured out as copper.

Job 40:18

40:18 Its bones are tubes of bronze,

its limbs like bars of iron.