Consuelo writes in orange:

After eight years of excavations, archaeologists have uncovered remains such as peppercorns, wine, beads, sapphires(,?) and teak and metal from ships.

And she (you, Consuelo) asks about the teak and metal from ships--how to show that the ships were made, we assume, from teak and metal.

Here's one of the possible new configurations:

After eight years of excavations, archaeologists have uncovered remains such as peppercorns, wine, beads, sapphires, and, from ships, teak and metal.