As prodati vessels and iron colors :? [Bug or ignorance ?] (Horizon: Zero Dawn)

Do not appear too. But I'm only in the beginning. Like this is how open the story.

There in Meridian there is a peddler with her side another is that trash sells, and here she shares it all on chests.

when you open the map in the induce Meridian at the dealer and should be the title the Merchant of relics, there are several throughout the map, one asks Cup, the second flowers...

Is the rubbish found in the wreckage being replaced? Or can you safely sell it?