Exercise 1
5495053
Inventory 2
1832676
Inventory 3
4084534
Headset Design Scheme
2287253
The spiral structure of the paper roll design makes it more convenient for girls to pull out.
533028
Headset Scheme 2
1273820
Old Headset Design Scheme
2463389
1783127
2031876
1283495
1632821
