Business Insider created the two-minute video below. It instructs you in the proper usage of a major appliance most of us take for granted… the refrigerator.

It may seem basic, but loading the “fridge” is more complicated than you might expect. Some common mistakes—like putting milk in the door—spoil your food faster, make your refrigerator work harder, and raise the likelihood you’ll suffer food poisoning. Click the image below to watch the video… complete with relaxing piano accompaniment.