@TechConnectify I used to work at a restaurant. It was common practice to put leftover steam tray inserts in the walk-in.
One morning, the kitchen manager informed me that the chilli insert from the night before exploded. Because it was put in warm, it expanded, and overflowed the container, making a mess on the floor.
Most fridges can usually handle it, most of the time. But every once in a while...