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Is your dirty keyboard becoming a health hazard? Here's one simple life hack that could transform your filthy desk.

And the good news is - it only takes one simple piece of office equipment.

This Morning's resident 'life hack' expert Steve Wilson appeared on the ITV show to tell workers about a simple hygiene trick using a Post-it note.

The paper's sticky surface makes it perfect for wedging in between keys and digging out crumbs and stray hairs.

Another simple hack introduced by Steve included a very inventive way of testing whether or not a battery has power.

He told hosts Holly and Phil: "If you've got batteries lying around the house and you don't know if they have power in them or not, there's a really simple thing you can do.

"Drop the battery onto a hard surface. If it bounces more than once, it's dead."

Naturally, Holly and Phil were very impressed as they tested out the trick.

This Morning is on ITV weekdays from 10.30am.