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Glass cups were used to serve tea in trains in early days, these could be returned to the vendors, cleaned and reused. Later, plastic cups were used, thenKulhads were used instead of plastic cups. Now, paper cups are used forserving tea. What are the reasons for the shift from glass cups to Kulhads andthen finally to paper cups?guys pls tell fast it's urgent |
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Answer» Kulhads are biodegradable, hence can be THROWN or broken, it won't be hazardous like plastic. They are CHEAPER than plastic or glass CONTAINERS. |
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