Question: what are the four main contributing factors to pests in your restaurant?
Answer: Garbage. Pests of all nature like garbage. ... 
Not Cleaning Regularly and Properly. Garbage or trash isn't just in garbage cans, however. ... 
Standing Water. Pests need water to stay alive and are, therefore, very much in need of water frequently. ... 
Lack of Physical Barriers and Repellents.