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Non-ferrous metals (Science Dictionary)

Non-ferrous metals: Non-ferrous metals are those that have very little iron content. Non-ferrous metals are non-magnetic metals such as gold, silver or aluminium.

_ ស្វែងរកឬបកប្រែពាក្យផ្សេងទៀតនៅប្រអប់នេះ៖
ឯកសារការងារនិងរៀនគ្រប់ប្រភេទ៖​
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