Instrument to purify water polluted by atomic attack
DRDO scientists have developed a water purifying instrument which is capable of purify 2000 litres of water per hour. This instrument is capable of purifying the water which gets polluted by the
DRDO scientists have developed a water purifying instrument which is capable of purify 2000 litres of water per hour. This instrument is capable of purifying the water which gets polluted by the