— natural magnesium carbonate (magnesite or giobertite) described in the Explanatory Notes to the CCC Nomenclature, heading No. 25.19, first paragraph;
3. i pesci persici: persico comune (Perca fluviatilis), persico trota o black-bass (Micropterus sp.p.), persico sole (Lepomis gibbosus) e l'acerina (in particolare, Gymnocephalus cernuus o Acerina cernua);