Often, the only liquid level indicator you need is your eyes, such as when looking at your cold beverage on a summer’s day. Other times, though, it’s useful to have some kind of indicator light that ...

On August 4, Shropshire's water supplier reported its overall reservoir capacity had declined to 58.7 per cent of total storage, down from 61.3 per cent the previous week and 71.1 per cent at the end ...