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Quid aliud observandum est in utribus vitreis praeter qualitatem?
Cum societas progressionis et notionum mutatio de phthisi hominum, plura ac plura sunt genera utrium vitrearum, et styli vitrei in foro fulgent, et ratio magis ac maiora facta est. Praeter qualitatem, quae aliae rationes observandae sunt in utribus vitreis producendis?
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Quid est differentia inter Vitrum Borosilicum et Vitrum Ordinarium?
The composition of raw materials is different: the main components of borosilicate glass are boron trioxide and silicon dioxide. The content of silica is higher than that of ordinary glass, the content of boron can even reach 14%, and the content of silicon can reach 80%.
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