On the left materials are divided by type. Choose e.g . "High alloyed cast steel" and then selection state from
the list on the right, e.g . "France".
On the right we are seeing  labels of materials from French, which appertaining to choices type.
After choices e.g . "Z 120 M 12 M" will show number of standard - on the right and chemical composition of this material - left down. After activate buttons "Equivalent"  will show list of such materials in the table lower. After selection e.g .
"AM X 120 Mn 12 from Spanish" will show chemical composition of this material.