Doki wrote:
We've got a new gas cooker, and the burners are made of aluminium, with
what would be described as a "diamond cut" finish on an alloy wheel -
basically, they look more or less like they've come straight off the lathe.

What can you use to clean them? Bits of stuff inevitably get burnt onto
them, and I can't just bung it in some caustic soda, as it's aluminium...


KoH solution will clean the surface, be careful if left too long/used
too strong you wont have anything left.