They are also visible in our libraries as they accurately shelve materials to be readily accessible by staff and customers, pull items to fill customer hold requests, and perform various collection maintenance tasks such as inventory, accurate relocation of mis-shelved items, organizing materials, and pulling assigned materials for removal from the collection. Examples of work performed: Shelves materials efficiently, performs shelf reading, checks in materials, empties bookdrops and sorts materials, assists with collection maintenance such as shifting, search lists, inventories, weeding.