Mosquito Coils / Screw Removal Tools

Japan's Top Inventions – Season 5

The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half: the story behind mosquito coils, invented by a Japanese company, which help prevent mosquito-borne diseases around the world. In the second half: we introduce screw removal tools that can remove stripped screws when a normal screwdriver can't.