550 B
550 B
Iron is taken out of the earth
This can be stated in active form. AT: "People take iron out of the earth" (See: rc://en/ta/man/translate/figs-activepassive)
copper is smelted out of the stone
This can be stated in active form. AT: "people smelt copper out of the stone" or "people heat stone to melt copper out of it" (See: rc://en/ta/man/translate/figs-activepassive)
copper
an important red-brown colored metal
smelted
This is a process of heating rocks to melt the metal in them in order to get the metal out of the rocks.