In addition, gelatin is used to make cosmetics, ointments, pill capsules, photographic films, paper and textiles. Glue is made from skin or hides, cartilage and bones. There are many industrial applications for glue. Some of these include the manufacture of wool, silk and other fabrics, emery boards, sand paper, dolls, toys and ornaments, in the making of frames, billiard balls and book binding, and sizing paper and straw hats. Blood albumen, obtained from blood plasma, is used to make adhesives which are used in manufacturing plywood and wood veneers.
Animal fat has many edible and inedible applications.
Rendered animal fat may be separated into glycerol and fatty acids. Glycerol is used in the production of pharmaceuticals, explosives, cosmetics, toothpastes, plastics , antifreeze and paints. Fatty acids are used in soaps, detergents, insecticides, herbicides, paints, lubricants, asphalt, car polishes and waxes, shaving cream, deodorants and perfumes. Leather, produced from hides and skins, is used for shoes, clothing, luggage, furniture and automobile upholstery, sporting goods and many other products. Bone charcoal, derived from bones, is used to manufacture steel ball bearings.