Are supermarket shopping carts stacked today?

When we go to the supermarket to buy a lot of things, we use a shopping cart to carry them. With the improvement of our quality of life, supermarket shopping is gradually getting rid of careful calculation. Nowadays, shopping carts are divided into different sizes according to the classification of customers. Common volumes can be divided into five grades: 60L, 80L, 100L, 125L and 150L. Of course, there are bigger or smaller ones, but they are rarely seen. The question arises, how do so many shopping carts stack up? The following small make up for you to popular science supermarket shopping cart stack method!

Supermarket shopping carts can be divided into two types: one is collapsible, folding the cart into a flat surface so that it can be easily stacked; The other is a plastic stool that can be stacked up like a nesting doll. Often the latter is more common, why? Although the former feels better, it requires more maneuverability and greatly reduces the stability of the shopping cart itself. After all, it can be folded and removed, so the stability may not be as high as expected.