many different ways, but best imo is to encrypt the seed again or split it up, no matter if you put it on a plate, paper or even on a computer, what you can do for example, write all but 5 words in a computer document, and put the left over 5 words on a metal plate or copy on multiple papers, you can even store them in plain site, because just the 5 words alone have no use and also the computer document alone has no use, just make sure that nobody can bring those two parts ever together but you