This is Senku's way of establishing civilization in the Stone World.
IMAGEPICTURE FROM chapter 47 page 11
Ishigami villagers are working for the Kingdom of Science after Hyouga attacks them.
Take the pic from chapter 1 p47 and post it here.
IMAGE of the Kingdom chapter 29 915
- Hydrochloric Acid chapter 33 p5
- Chlorosulfuric Acid Chapter 33 p6
- Sodium Hydroxide Chapter 33 p7
- Amonia Chapter 33 p8
- Katanas (Japanese Sword) chapter 47 page 18