Because corrosion is a diffusion-controlled process, it occurs on exposed surfaces. As a result, methods to reduce the activity of the exposed surface, such as passivation and chromate conversion, can increase a material's corrosion resistance.
Foodborne Illnesses Definition: A foodborne illness is an infection or poisoning caused by a bacterium, virus, parasite, or chemical transmitted by food. A foodborne outbreak is an illness event that typically includes two or more people infected from a common food source.
Three common types of food-related bacteria are: 1  Salmonella species. 2  This is the bacterium that can cause illness when you eat raw or undercooked eggs (even in chocolate chip cookie dough!). 3  Salmonella species are the No. 1 cause of food-related illness in the United States. Salmonella species are the No. 1 cause of food-related illness in the United States. 2  They are responsible for more deaths than any other food-borne pathogen. 3  Salmonella infection can lead to fever, abdominal cramps, and diarrhea within 12 hours to three days after eating the contaminated food.