100 things
31 daily use
20 picture
10 canned
10 shadow
10 question 10 material in canned 9 ideas
1. Why do you become a bottle opener?
2. How were you invented?
3. Is it a switch, or is it a mode of transmission?
4. Besides iron, why is there no other material to pull the ring?
5. Can it be used on other containers?
6. How many people rely on tools to open cans?
7. What's the difference between a bottle cap and an easy-pull tab?
8. In life, where else can you use the pull tab
9. Is the handle of the cabinet close to the principle of the pull ring?
10. When did pull tab appear?
1. sardine
2. yellow peach
3. tomato
4. pork luncheon meat
5. tuna
6. herring
7. delicatessen
8. cat food
9. peas
10. condensed milk
1. Install pull rings in various containers
2. Experiment with new shapes and materials
3. Features pull rings instead of bottles
4. Use a new outlet
5. Make tools with pull rings
6. Design pull ring text
7. Let pull tab add new functions
8. Change the position of the tab
9. Pull a gun
12 creation
zipper
lawn
folding carton
walking stick
handle
medal
shovel
CAN
LID
ruler
ceiling lamp
grenade
flash