ELI5: Explain Like I'm 5

Shopping cart conveyor

Have you ever gone grocery shopping with your mommy or daddy and seen the long metal belts that move all the shopping carts? Those belts are called shopping cart conveyors.

Imagine going to a playground with a big slide. You climb up the ladder and then slide down the slide, right? Well, a shopping cart conveyor works kind of like a slide, but for shopping carts instead of people.

When you go grocery shopping, you put all your food and drinks into a shopping cart. Then, you push the cart onto the moving belt of the shopping cart conveyor. The belt carries your cart away from you and towards the person who works at the store's checkout counter.

The conveyor belt has little bumps on it that help to hold the shopping cart in place and keep it from rolling off. These bumps also help to push the cart along.

When the shopping cart reaches the checkout counter, the person working there will scan all the items you put in your cart and then ask you to pay for them. Once you've paid, your cart will be sent down another conveyor belt to a place where a person can help you pack your groceries into bags. Then you can take your food and go home to have a nice snack or meal with your family!
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