Water pipe robots could stop billions of litres leaking - BBC News
Water pipe robots could stop billions of litres leaking - BBC News About 20% of our water supply is lost to leaks and scientists say miniature 'pipe robots' could help.LINK
Water pipe robots could stop billions of litres leaking - BBC News About 20% of our water supply is lost to leaks and scientists say miniature 'pipe robots' could help.LINK