The average deli will have UV and fly lights.

Ultraviolet lights are used to sterilize and disinfect in medical units and food service systems. Ultraviolet light can destroy cells and kill bacterial viruses, but it can also destroy normal cells in the human body, such as ultraviolet rays in the sun can burn the skin, resulting in peeling phenomenon; there are also misuse resulting in eye injuries. In short, ultraviolet light can kill living cells.

Ultraviolet light irradiation as a common means of sterilization, widely used in all walks of life. With the aftermath of SARS, UV lamps began to gradually into the family, the school. In the role of sterilization at the same time, due to improper operation, as well as the characteristics of the ultraviolet light do not understand, which hidden hidden dangers can not be ignored.