About 85 percent of these workers were nonfarm animal caretakers, and 15 percent were animal trainers. Animal care and service workers are employed in a variety of settings. Many work at kennels; others work at zoos, stables, animal shelters, pet stores, veterinary clinics, and aquariums.
Food Additives. Food additives are substances added intentionally to foodstuffs to perform certain technological functions, for example to colour, to sweeten or to help preserve foods. In the European Union all food additives are identified by an E number. Food additives are always included in the ingredient lists of foods in which they are used.
Definition. Food additives are substances that become part of a food product when they are added during the processing or making of that food. Direct food additives are often added during processing to: 1  Add nutrients. 2  Help process or prepare the food. 3  Keep the product fresh. 4  Make the food more appealing.