Showing posts with label cold-worked. Show all posts
Showing posts with label cold-worked. Show all posts
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Sejarah Emas

9:51 AM
Emas (Sansekerta: Jval; Anglo-Saxon gold; Latin: aurum). Emas telah diketahui dan dinilai sangat tinggi sejak jaman purba kala. Unsur ini di...
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