When you get back home from an excursion or a more drawn out trek, how often have you seen that your computerized timekeepers are demonstrating the wrong time? Much of the time, this is an outcome of a power outage.
Lamentably, when the power deficiency goes on for a few days, it can bring about defrosting of nourishment and its weakening. Consequently, when the power returns, the sustenances refreeze and there is regularly no real way to notice this. To exacerbate matters, this can be extremely risky since particular nourishments are known to spread salmonella and different sorts of microbes.
Fortunately, there is an exceptionally valuable trap that can help you discover to what extent were your cooler and cooler without power. For this reason, you’ll require a glass, a coin, and some water. Pour the water in the glass and place it in the cooler. At the point when the water has solidified, put the coin on top of it and set it back into the cooler.