Is your keyboard dirtier than a toilet seat?
本文作者： TEENS
Computer keyboards may look clean to you. But in fact, most of them have lots of dirt and germs (细菌), just like other things that we often touch, such as door knobs (门把手) or money. For example, you might be eating at your desk one day. Small bits of food can fall between the keys of your keyboard. |  |
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