reasons of milk being supplied in glass bottles later in plastic bags and now in tetra packs
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1
1. Efficient packing regarding
volume space utilization. Its space utilization factor is 75%.
2. Economical. Glass bottles are expensive, need effort for recycling them, storage and sterilization.
3. Environmental friendly packing material. biodegradable thick paper. Plastic or polythene is polluting and non biodegradable.
4. Hygienic.
5. strong material, so we can pack a lot of them over each pack. Polythene sheets are not strong for packing a number of them over one another.
6. Storage for a long duration. Milk in Polythene loses /gains heat quicker. Thick cardboard paper sheets are more insulating.
2. Economical. Glass bottles are expensive, need effort for recycling them, storage and sterilization.
3. Environmental friendly packing material. biodegradable thick paper. Plastic or polythene is polluting and non biodegradable.
4. Hygienic.
5. strong material, so we can pack a lot of them over each pack. Polythene sheets are not strong for packing a number of them over one another.
6. Storage for a long duration. Milk in Polythene loses /gains heat quicker. Thick cardboard paper sheets are more insulating.
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2
Answer:
because to make milk don't get spoil
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