Testing for magnetic properties. An ALNICO bar magnet is used to test iron shavings (Photo 1) and rust (Photo 2) for magnetic properties. Iron is magnetic while rust (iron oxides) is not. Photo 1 of 2.
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Details
Creative#:
TOP22297205
Source:
達志影像
Authorization Type:
RM
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須由TPG 完整授權
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N/A
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No
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