Direct food additives are those that are added to a food for a specific purpose in that food. For example, xanthan gum -- used in salad dressings, chocolate milk, bakery fillings, puddings and other foods to add texture -- is a direct additive. Most direct additives are identified on the ingredient label of foods.
Physical ability tests measure the physical ability to perform a particular task or the strength of specific muscle groups, as well as strength and stamina in general; Sample job tasks (e.g., performance tests, simulations, work samples, and realistic job previews) assess performance and aptitude on particular tasks;
Army Physical Fitness Program. The Army Physical Fitness program has two factors the weigh-in and the Physical Fitness Test. The APFT is a three-event physical performance test used to assess endurance. It is a simple way to measure your physical strengths, abilities, and cardio-respiratory fitness.