Contact address
CSC Sàrl
Route de Beaumont 13
CH-1700 Fribourg
Tel.: +41 26 422 12 44

A geologist trick...
A dry material containing a lot of clay sticks to the tongue
(due to the huge affinity of these minerals to water)

[Keine Beschreibung eingegeben]Thank you very much Cecilia...

[Keine Beschreibung eingegeben]return to the latest trick