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;
If you're interested in finding out how you fare against standard measures, here are 5 of the most popular and commonly used physical fitness tests. 1. The Bruce Test Designed to evaluate cardiovascular performance, the Bruce Test was designed as a clinical treadmill stress test.