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.
1. Foodborne Illnesses. A foodborne illness is a disease transmitted to people by food. An illness is considered a foodborne-illness outbreak when two or more people have the same symptoms after eating the same food. However, this requires an investigation by a regulatory authority.