How to kill flies in public places

Common methods of killing flies include spraying drugs and killing flies with fly swatter. In addition, there are the following methods:

When adhesive tape is used, it is flattened. Because the adhesive contains maltose, it can attract flies to eat and be glued. Sticked flies can't fly, but when they are dying, they will buzz to attract other flies. Good quality viscose can last for about a week, and the number of sticky flies can reach hundreds.

Blue-light electronic fly trap is installed in hotels and restaurants, which can be used as interior decoration, killing flies by high-frequency voltage, and the design is safe.