The tool that looks like a dustpan that scans at a radius of 50 meters but with the help of ultrawaves.
This is the first time it has been used in Sweden in a sharp search effort.
- It is like an echo sounder that sends signals and marks various objects in the water.
It leaves a cross on the screen if it finds something soft and a zero if there is a stone, says Martin Persson.
In addition to the dustbin, water and air drones and a camera mounted on a long arm are also used to be able to search the toughest places.
- We have the best equipment available to be able to search in water, says Martin Persson.
See when the equipment is tested before the search operation in Vilhelmina in the clip above.