RU professor develops technology to remove arsenic from water
Electricians can manufacture the device at a cost of Tk8,000 to Tk10,000 and it is capable of removing arsenic from 20-30 litres of water at a time
Electricians can manufacture the device at a cost of Tk8,000 to Tk10,000 and it is capable of removing arsenic from 20-30 litres of water at a time