Mobility-Operate a dialysis machine; frequent standing and walking for prolonged periods of time; frequent bending, stooping, and reaching overhead; Lifting-Lifting of 30 pounds or more; Vision-Constant use of overall visual capabilities; frequent need for color perception, hand/eye coordination, reading and/or close up work; Dexterity-Frequent holding, grasping, repetitive motion and writing; Hearing/Talking-Constant hearing and talking of normal speech in person and on the telephone; Emotional/Psychological-Frequent public contact; occasional exposure to emergency situations, trauma, grief or death; occasional working alone; Special Requirements-May require working shifts/weekends/nights/overtime; Environmental Conditions-Frequent exposure to noise; frequent risk of exposure to hazardous materials, fumes, poor ventilation, and indoor cold/heat; occasional exposure to variable weather conditions. Operate highly specialized dialysis delivery systems; take accurate instrument readings and measurements; maintain records; administer prescribed hemodialysis medications; attend to the personal needs of the physically and mentally ill; take and record vital signs; deal with patients sympathetically and tactfully; communicate effectively with patients and others, both orally and in writing; follow oral and written instructions in exact detail; establish and maintain effective working relationships with patients, families, physicians, nurses and others.