Introduction of special bracelets for swimmers, which would have the GPS-chip, the button for emergency situations and the Light-emitting diode.
A special device for rescuers, which displays the location of the swimmers on the water object`s map.
In an emergency situation the person who is in the water presses the button.
Rescuer receives light and sound signal to the device. At the same time LED bracelet light up with bright light.
Thus the problem can be identified.
This going to reduce the number of drownings.