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Brylanty – najtwardszy materiał na Ziemi
Brylanty to jeden z najtwardszych materiałów na Ziemi. Ale co sprawia, że są tak twarde? Odpowiedź tkwi w procesie zwanym obróbką diamentową.
Brylanty to jeden z najtwardszych materiałów na Ziemi. Ale co sprawia, że są tak twarde? Odpowiedź tkwi w procesie zwanym obróbką diamentową.
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