Workers in this unit group make boxes, envelopes, bags and other products from paper, paperboard, cardboard, cellophane and similar materials. Their functions include: making and decorating paper boxes by hand or machine; setting and operating machines which glue paper to cardboard, cut it to the required length or cut and crease cardboard or paper board sheets to form box blanks; operating machines which press paper to from drinking cups and other containers; setting and operating machines which cut, fold and glue paper to make envelopes and paper bags or which form bags from cellophane, special types of paper and similar materials; performing related tasks.