Higgs Boson wrote:
Is this an engineering problem or what?

Two of the buckets I use around the garden, etc. are stuck, one inside
the other. I and other neighbors, strong ones,
have tried like hell to separate them. Thumping, prying, banging, even
pouring water around the rim of the bottom one.
Nada. Niente. Nichts. Rien.

This has become a challenge.

What next? Baby powder? Or...?

HB
Olive oil(in the gap between them!!)