On Thu, 6 May 2021 20:23:13 +0100, Fredxx, the notorious, troll-feeding,
senile smartass, blathered yet again:


Even that is unclear.

The paper makes it clear.

A very wide horizontal
radiator would work better as far as heating the
air is concerned.

Not in all cases, as demonstrated by the paper in real home situations.

Let me guess: you REFUSE to accept that are getting trolled by the senile
trolling pest from Australia, just so that you can continue with your
notorious smartassing! G