Farmers are protesting so that their demands can be met near Delhi border. To disperse them, police are using LRAD so.
What is LRAD ?
LRAD is Long Range Accoustic Device.
It is a speaker system and sound energy weapon.
It produces sound at higher power.
It has been used as a method of crowd control and can cause permanent hearing damage.
But they are non lethal weapons.
The human ear can withstand a certain sound pressure level.
After that human ear starts to feel pain. Exposure to long time may result in permanent hearing damage.
Also can cause disorientation, migraines and vomiting.
It is mainly used for mob control.
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