OEE: Let's move to more examples where lean tools work great; OEE (Overall Equipment Effectiveness) is a great example to demonstrate that, in our industry, there are areas that should leverage OEE as an equipment performance metric, and where OEE does not add value.
Making the world better, one answer at a time. The seven protein classes are structural proteins, storage proteins, defensive proteins, transport proteins, signal proteins, contractile proteins, and enzymes.
Six Classes of Foods. Fruits and vegetables for sale at a market. Most people are familiar with the five food groups: fruits, vegetables, grains, protein and dairy. Another way to categorize food is by the type of nutrient it contains and its role in the body. A nutrient is a compound your body needs for energy, growth, basic physiological processes and overall health. Many foods can be placed in several classes.