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What Does bk7 Mean?

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Borosilicate is likewise a material of option for evacuated-tube photo voltaic thermal technology as a result of its substantial toughness and heat resistance.[citation essential] Lampworking is accustomed to make sophisticated and tailor made scientific apparatus; most major universities Have got a lampworking shop to manufacture and fix their glassware. For https://catey975yku6.elbloglibre.com/profile

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