1. does not decay
2. cullet is mixed with ingredients
3. heated to form molten glass
4. bottle-making machine
5. conserve the environment
6. ashtrays, bottles
7. D
8. C
2. cullet is mixed with ingredients
3. heated to form molten glass
4. bottle-making machine
5. conserve the environment
6. ashtrays, bottles
7. D
8. C
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