easy................ .......

some people think the U bend is there so that if you drop say a ring down the loo, the U bend will stop it going all the way down the waste pipe....wrong!

The U bend traps water, so it forms a seal thus preventing any nasty smells coming back up the pipe from the sewers! FACT!

Posted By: Cheltenham_Canary, Feb 21, 09:26:38