Physical Requirements: This is medium work requiring the exertion of up to 50 pounds of force occasionally, up to 20 pounds of force frequently, and up to 10 pounds of force constantly to move objects; work requires climbing, stooping, kneeling, crouching, reaching, standing, walking, pushing, pulling, lifting, fingering, grasping, and repetitive motions; vocal communication is required for expressing or exchanging ideas by means of the spoken word; hearing is required to perceive information at normal spoken word levels; visual acuity is required for preparing and analyzing written or computer data, visual inspection involving small defects and/or small parts, operation of machines, determining the accuracy and thoroughness of work, and observing general surroundings and activities; the worker is not subject to adverse environmental conditions. Knowledge, Skills and Abilities: General knowledge of basic library procedures, methods and techniques; general knowledge of and interest in books including reader interest levels; general knowledge of the library circulation functions; general knowledge of office procedures and records maintenance techniques; ability to exercise initiative and independent judgment; skill in the use of library equipment, materials, computers and related technology and resources; ability to establish and maintain effective working relationships with library patrons and associates.