Handlevognen din er tom
Tin, lead and their compounds
Tin, lead and their compounds
Learn about the two metals commonly used for soldering.
Klasser 7 – 10
Forfatter: Vámos-Poljak Zsolt
Korrektur: Horváthné Kunstár Andrea
Grafisk designer: Fasola Martin
Utvikler: Kondász Eszter
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