Copper powder being heated on a combustion spoon in the flame of a Bunsen burner. The spoon itself is glowing red hot, but the copper powder (grey) is unchanged.
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Details
Creative#:
TOP10163828
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
N/A
Property Release:
N/A
Right to Privacy:
No
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