A simple trick that will help you understand something important
What is one of the biggest risks our home faces when we are away on vacation?
But these frequent power outages in the summer, when the air conditioners catch fire, that is, the PPC runs and does not arrive.
And a long power outage in the refrigerator freezer is a big enemy here, as if the food thaws and spoils, then it is not at all suitable for human consumption.
And here the coin saves us! Which we place on an icy surface (a plastic glass of water is ideal) and check on our return from vacation if it remains in place. If so, then the freezer stuff has never thawed and is suitable for eating.
If not, then there has indeed been a major power outage and food will unfortunately have to be thrown away. And all this from a "humble" coin…