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.
Contemporary definitions for food group. noun. a group of foods that have similar nutritional properties and is part of the hierarchy of the food pyramid, such as cereal group, milk group, meat and protein group, fruit and vegetable group, fats and sweets group. 15 Powerful Quotes about Language.