On Tue, 27 Apr 2021 09:19:00 +0100, Brian Gaff \(Sofa\) wrote:

And.....
I just put up a couple of those 10 year ones, but my old one still was
the
only one to go off when my gardeners ran past my open door with a petrol
Strimmer, I guess it was the pollution coming out of that thing that set
it off, but nothing from the others. I'm told you can test them with a
candle about a foot or so below them, but I'd not trust myself with such
a thing!

Brian

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