On 21/02/2021 22:01, Theo wrote:
Anyone have any idea what might remove burnt on olive oil please. I
need to clean an air fryer. Hot soapy water will not touch it.

Could you cobble some sort of attachement to a rechargeable drill like
a piece of dowel with steel wool type scourer fixed to the dowel or
brush head. It may at least take the effort out of it.