Physical Requirements: Heavy lifting, 45 pounds over; Straight pulling, 50 hours; Reaching above shoulders; Use of fingers; Both hands required; Walking, 4 hours; Standing, 4 hours; Crawling, 50 hour; Kneeling, 50 hour; Repeated bending, 50 hour; Climbing - use of legs and arms; both legs required; Ability for rapid mental and muscular coordination simultaneously; Near vision correctable at 13" to 16 to Jaeger 1 to 4; Both eyes required; Depth perception; Ability to distinguish basic colors; Ability to distinguish shades of colors; Hearing (aid may be permitted); Oral communication. Calibrates, operates, and maintains (at the user level) the diverse physiological monitoring devices which are used to observe and record vital patient parameters including temperature, ECG, EEG, direct intravascular and inter-cardiac pressures, cardiac output, and respiratory gas levels.