Both blank and preprinted paper labels are used in the office for filling, identification, and other purposes. These products are generally on paper backing with a pressure sensitive adhesive. The release liner is often made so that it is adaptable to high speed computer printers. In stores, the pricing on containers or packages is largely done with data processing equipment and suitable pressure sensitive labels.Labeling of most perishables uses a specialty pressure-sensitive label or a delayed action adhesive.