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.
Food coloring, or color additive, is any dye, pigment or substance that imparts color when it is added to food or drink. They come in many forms consisting of liquids, powders, gels, and pastes.Food coloring is used both in commercial food production and in domestic cooking.Due to its safety and general availability, food coloring is also used in a variety of non-food applications including cosmetics, pharmaceuticals, home craft projects and medical devices. FD&C Red No. 4. 2  FD&C Red No. 32 was used to color Florida oranges. 3  FD&C Orange Number 1 was one of the first water-soluble dyes to be commercialized, and one of seven original food dyes allowed under the Pure Food and Drug Act of June 30, 1906.