30 The words “I will bring you” are supplied in the translation; they are understood by ellipsis (see the preceding lines).
31 The words “I will bring you” are supplied in the translation; they are understood by ellipsis (see the first two lines of the verse).
32 Or “peace” ( and many other English versions).
33 The plural indicates degree. The language is ironic; in the past Zion was ruled by oppressive tyrants, but now personified prosperity and vindication will be the only things that will “dominate” the city.

In other versions

Instead of bronze I will bring gold,

and instead of iron I will bring silver;

instead of wood, bronze,

instead of stones, iron.

I will make your overseers peace

and your taskmasters righteousness.

Instead of bronze I will bring you gold,

and silver in place of iron.

Instead of wood I will bring you bronze,

and iron in place of stones.

I will make peace your governor

and well-being your ruler.

I will bring gold instead of bronze;

I will bring silver instead of iron,

bronze instead of wood,

and iron instead of stones.

I will appoint peace as your government

and righteousness as your overseers.

I will exchange your bronze for gold,

your iron for silver,

your wood for bronze,

and your stones for iron.

I will make peace your leader

and righteousness your ruler.

Instead of bronze I will bring gold,

and instead of iron I will bring silver,

and instead of wood, bronze,

and instead of stones, iron.

And I will appoint peace as your overseer,

and righteousness as your ruling body.

For brass I will bring gold,

And for iron I will bring silver,

And for wood brass,

And for stones iron:

I will also make thy officers peace,

And thine exactors righteousness.

Public Domain