Physical Requirements: This is medium work requiring the exertion of 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, balancing, stooping, kneeling, crouching, crawling, reaching, standing, walking, pushing, pulling, lifting, grasping, feeling, 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 use of measuring devices, operation of machines, operation of motor vehicles or equipment, and observing general surroundings and activities; the worker is subject to inside and outside environmental conditions, hazards, and atmospheric conditions. Knowledge, Skills and Abilities: General knowledge of cleaning methods, materials and equipment; ability to understand and follow simple oral and written directions; ability to read; thoroughness, cleanliness; ability to establish and maintain effective working relationships with associates.