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Ubuhlalu be-Glass Index (2.2nd)
Ubuhlalu bengilazi obungu-2.2 busetshenziselwa ama-athikili abonisa uhlobo lwe- “Enclosed-Lens”, njengeshidi lebanga lobunjiniyela kanye ne-super grade grade sheet okufaka isandla kwizimpawu zomgwaqo nokuphepha kwezimoto.
