Testing for magnetic properties. A bar ALNICO magnet is used to test iron shavings (left) and sand (right) for magnetic properties | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Giphotostock |
Bildgröße: | 6816 px × 5082 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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