Simon wrote:

"The Natural Philosopher" wrote in message
...

Er. Thats what I said, dummy.


well if you are going to resort to name calling ... :-P

you said concrete ISN'T porous, it IS, it's the plastic that isn't, DUMMY




So you conventionally refer to e.g.
cake-with-rains-dates-and-walnuts-in, rather than 'cake' do you?