"GB" wrote in message news

On 26/12/2016 06:44, The Natural Philosopher wrote:
On 26/12/16 04:44, Mihai wrote:
you can't possible
notice 20mm at 4.5m

You can.

Especially if s a hard smooth floor and you drop a ball on it, or spill
a liquid..


Why not stick to sensible posts like this, rather than trying to be funny?

Why not STFU and stop trying to be superior?