Keyboards, Remote Controls, Buffet en Restroom Contamination

What are the similarities between: Keyboard of a computer, Your computer keyboard, Handles of a cart, Handles of luggage, Remote control at home, Remote control elsewhere, Audio / video selector on a plane and Faucets, flush handles, door handles in restrooms? First similarity: All mentioned components are seldom clean or never get cleaned. Second similarity: All mentioned components contain attached dirt. This … Meer lezen over Keyboards, Remote Controls, Buffet en Restroom Contamination