Swiss device may lessen water woes

Swiss device may lessen water woes

 A person uses about 1.5 litres of water to wash his hands. This quantity can be reduced to one decilitre which is 10 times less," said Denis Crottet, the inventor of the system.
The device, which is internationally patented, produces a first flow which is a combination of water, soap and air. There is a gap before the second flow to allow cleaning of hands. The second flow contains only water for rinsing. "By controlling the mixing of soap, water and air, we avoid wastage of water," said Crottet. [Read rest of article]