jkn wrote:
On Aug 11, 10:50 pm, "Clot" wrote:
[...]
You've said it: Nitromors and carefully "brushed out". A brass brush
if you can get hold of one if the valley requires it.

OK, ta. I won't look forwards to doing that on the ceiling ...

It isn't fun. I've spent years doing similar in awkward positions on wooden
boats.

Good luck.