Two brothers from Chennai, India have developed a system to ensure the bottles contain clean water. A new QR code system developed by two brothers from Chennai, India can help people to know whether the jugs of water they purchase contain clean water, helping to avoid arriving home to discover that their water is dirty or cloudy. Many people in the area must fill large water jugs every day to provide their drinking supply. The tap water in the area is not clean enough to drink. Therefore, they purchase the…
Read MoreQR code on water jugs help to ensure the contents are safe to drink
