Are these the things you fear?
Flies, mosquitoes and other flying insects are not only a nuisance but also carry bacteria, contaminating food and the environment.
Killing insects in the normal way contains toxic chemicals that affect health. Unpleasant odor.
In kitchens, restaurants or areas with food, flies can easily land on food, increasing the risk of food poisoning.
Killing insects the normal way has a high price but low efficiency, and is difficult to use and maintain periodically