Significant volumes are also used in such diverse applications as joint cements for building construction, water soluble film for hospital laundry bags, emulsifiers in cosmetics, temporary protective films to prevent scratching of highly polished surfaces, and soil binding to control erosion, unit- dose pharmaceuticals, water treatment chemicals, “artificial tears” used to treat dry eyes, contact lens lubricants, transfer printing, agrochemicals, embroidery and dust abatement. Poly(vinyl alcohol) is an intermediate in the production of poly(vinyl butyral), the adhesive interlayer in laminated safety glass. It can also be used as a thickener in wall paints, paper coatings, Polyvinyl alcohol forms a very good adhesive film and is well soluble in water , and it is also used as an additive or modifier in polyvinyl acetate-based adhesives, emulsions and dispersions. Partially hydrolyzed PVA is used in the foods, It is used as a moisture barrier film for food supplement tablets and for foods that contain inclusions or dry food with inclusions that need to be protected from moisture uptake.