A glass can be artificial.Logical formLearned from7 sentences. A (float glass) can be clear.Logical formLearned from7 sentences. Glass may undergo a discovery.Logical formLearned from7 sentences. Glass can be with threads of gold.Logical formLearned from7 sentences. Candles can be in glasses.Logical formLearned from7 sentences. Impurities can be in a glass.Logical formLearned from7 sentences. A window may contain glass.Logical formLearned from7 sentences. A resonant frequency may pertain-to a glass.Logical formLearned from7 sentences. A (glass globe) may be filled with water.Logical formLearned from7 sentences. Properties can be constituted-of-or-filled-with glasses.Logical formLearned from7 sentences. Glasses may be made from (silicon dioxide).Logical formLearned from7 sentences. Glass may contain grains.Logical formLearned from7 sentences. Glasses may be tinted.Logical formLearned from7 sentences. (Glass products) can be fibrous.Logical formLearned from7 sentences. Glass may cut.Logical formLearned from7 sentences.