that’s probably why. I have a cluster of them in my head together; stainless steel, chromium, nickel, lead, brass – mind association for whatever reason
they’re not so much part of a group in my head but “associated” like edges and nodes
then copper, iron… not sure what follows iron — oh, coal (for furnace) then crude oil, up the stratified petroleum layers to mineral spirits..
somebody out there uses it that way – but notice i follow it with wax, which is technically edible and yet
wax goes to crayons, over to those pastel things and into art supplies… i don’t think about the organization of stuff in my head but it’s organized