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Sometimes when you drink milk, you have trouble in opening the mouth of a milk pack.
Then we usually try to unseal it by using fingers or tear the pack the other side to drink.
If you open a milk pack by using your fingers, there may be hygiene issuse.
Also you might spill milk when you tear it the other side.
It is the new design of milk pack to resolve these problems.
Beakseok University
Cheonan, South Korea
Beakseok University
Cheonan, South Korea
leejieun
jeong jun yeon
Oh Jeong Sik