Food was not kept cold enough, hot enough, cooled fast enough, or cooked or reheated to the right temperature. Bacteria grow quickly in the "danger zone" between 41°F and 135°F, which makes this one of the most important food-safety checks.
Pesticide not properly labeled or used by unlicensed individual. Pesticide, other toxic chemical improperly used/stored. Unprotected, unlocked bait station used.
In plain English
The inspector found mice, rats, cockroaches, flies, or evidence of them (like droppings) inside the business, or conditions that could attract them. Pests can spread bacteria to food and surfaces, so this is treated as one of the more serious findings.