From ''do as the Romans did''
Posted: Sun Jun 09, 2013 4:38 am
DrW wrote:... what cement really is ...
FYI
Aeons ago - 1963-67 - my alma mater was the "Ybl Miklós Technical Institute of Architecture".

(Miklós Ybl - Hungarian: Ybl Miklós - was one of Europe's leading architects in the mid to late nineteenth century)