Why Is There No Light Bulb?
As we all know, a common ice-box in the kitchen is divided into two sections: the freezer, either at the top or bottom, and the refrigerator chamber, which maintains a temperature a few degrees above 0¢XC. Nearly every refrigerator chamber has a light bulb. However, we hardly ever find a light bulb in the freezer. So, what factor allows the installation of a light source in a refrigerator but not in a freezer?
Whether to install a light bulb in the freezer is dependent on its cost and its benefit.
The cost to installing a light bulb in the freezer is the least amount of money you should pay to attain a light bulb in the freezer. First of all, the light bulb has to be designed to work at the maximum efficiency possible in a -18¢XC environment or more. Secondly, it is easy to frost in the freezer, which means the surface material of light bulb would have to be specially designed to prevent it from gathering liquid particles. Otherwise, the life span of the light bulb will be......
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