Beta-lactamase-producing bacteria (BLPB) may have an important clinical role in infections. These organisms can be pathogenic in causing the infection as well as have an indirect effect through their ability to produce the enzyme BL into their environment.
If you turn the dial to number 0, that effectively turns the fridge off. Setting the dial to 9, the refrigerator will be working at its max capability. Your personal temperature setting will depend on how much food is kept in the refrigerator. If your fridge is packed with food, it needs to be on a higher number setting to maintain a low (colder) temperature. The temperature controller dial or slider on your refrigerator is a thermostat. It kicks the compressor on when the refrigerator is not cold enough.
If you click on the refrigerator handle or the forward button, the refrigerator is stripped so we can see what is inside: 1. The heart of the refrigerator: The Compressor, which is working as a pump, not just controlling the circulation of the refrigerant, but also adding pressure to the circuit, which also makes the refrigerant hot.