Grocery carts are actually proven to have higher levels of germs and bacteria than public restrooms. That's caused by meat and poultry juices, dirty diapers or the previous shopper having a cold or flu and they touch the carts.

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Every time a cart is collected, they'll go through this system and a fine mist is put on the cart, and the mist dries within two to five minutes and it kills 99.9% of everything that's on the cart.

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