This is medium work requiring the exertion of 50 pounds of force occasionally, and/or up to 20 pounds of force frequently, and/or up to 10 pounds of force constantly to move objects; work requires stooping, kneeling, crouching, reaching, standing, walking, pushing, pulling, lifting, grasping, fingering, feeling, and repetitive motions; vocal communication is required for expressing or exchanging ideas by means of the spoken word, and conveying detailed or important instructions to others accurately, loudly, or quickly; hearing is required to perceive information at normal spoken word levels, and to receive detailed information through oral communications and/or to make fine distinctions in sound; visual acuity is required for depth and color perception, peripheral vision, preparing and analyzing written or computer data, use of measuring devices, operation of machines, operation of motor vehicles or equipment, determining the accuracy and thoroughness of work, and observing general surroundings and activities; the worker is subject to inside and outside environmental conditions, and atmospheric conditions. Considerable knowledge of the routine care and treatment of acutely chronically ill clients; working knowledge of general physical and mental problems of the chronically ill and obvious signs of condition changes; skill in observing basic personal health care and home management needs of patients; ability to read and carry out detailed instructions; ability to work with older adults; ability to work with people from all socio-economic levels; ability to carry out health aid work in the home of a patient; ability to practice sound hygiene and sanitation techniques; ability to establish and maintain effective working relationships with clients and associates.