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Trabajo de 5º
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Traballo de 5º “O COLTAN”
New AIR COLTAN - COLTAN - KAIZIO · 2018. 7. 17. · air coltan - coltan - kaizio fr casquette anti-heurt pour l’industrie air coltan: casquette anti-heurt type base-ball coltan:
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Abbau von Coltan und anderen · PDF fileHandy Modul 2 29 Welthaus 22 | Arbeitsbltter Handy Abbau von Coltan und anderen Rohstoffen Was ist Coltan? »Coltan« ist ein Kurzwort für
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BY AIMEE DERONDE AND SARAH ROONEY Coltan. What is Coltan? Coltan (short for columbite-tantalite) is an important substance that many people unknowingly
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