Designed with two buttons (one for liquids and one for solids), dual-flush toilets first became a thing in Australia back in the '80s as a response to the country's limited rainfall. The idea behind ...
BILLIONS of litres of water are being wasted each week by toilets which are supposed to cut losses. An estimated 400 million litres — enough to supply 2.8 million people — is lost from dual-flush loos ...