Nice theme! Ty

Enjoyed this!

There is too much crossover between the metallic clues for my liking. Fish, mine and foil can all crossover which makes for some sheer guesswork if those are the two you are left with at the end. Don't misunderstand me, cross overs are good. I just think there are a few too many here.

What Aetees said really. It's not really the number of cross-overs; its that you end up with many different valid solutions.
eg. You can swap Plate and Fish or Plate and Mine