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A fire can braks out by accident Therefore, It would be very useful if the case
transformed into a fire mosk and we can protect ourselues better.
1.Open the back part of the case.
2. There is a mask with a carbon filter.
3. Pull out the mask if you faced a urgeu situation.
4.The back part can be wed as a support.
Cheongju University
Chungbuk, South Korea
Cheongju University
Chungbuk, South Korea
ji yeon Lee