It doesn't matter how long you've been cleaning your home – there's always something we've overlooked that needs a good scrub. From the hidden compartment in the toaster to the one in the washing machine , there are plenty of places demanding cleaning attention many don't know about. And now there's another to add to the list. Most of us have gone our entire lives without realising there's a hidden feature on the microwave that requires cleaning – and it can become drenched in grease. An often