smelted

I watched as they took the nuggets and powder they had extracted and smelted it all down into a glistening gold bar.

A large wooden bucket had been kept within, containing several damaged bronze objects and worn axe-heads, waiting to be smelted down and recycled into new tools.

Once, I could swear the fire station’s brass pole was smelted down.

They looked like the ashes of a furnace, with blackened walls and smelted bunks.

Known as prewar steel, the material from the two warships is valuable and could be smelted for use in manufacturing of sensitive scientific and medical equipment.