On Mon, 27 Jan 2020 10:52:51 +0000 (GMT), Dave Plowman (News) wrote:

People also seem to forget that petrol is dangerous stuff to
handle and
yet we do that without a thought these days. At least if you
"spill"
hydrogen it does not form ground dwelling puddle of highly
flammable
vapour.

But at least you can see that puddle.

Bruncefield.

--
Cheers
Dave.