It is important to be alert for pests in a food operation. the people who are responsible for noticing and reporting sightings of pests include all of the following except

The loyal customers must not see any pest in the food operation because they are not responsible for noticing and reporting sightings of pest. The owner, manager, food handlers such as cooks, waiters, dishwasher and other staff including the pest control officer are responsible for the pest control. 

In addition, pest infestation may cause physical, chemical, and biological contamination of foods, which could result to establishment closure.

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