Physical activity related to this position may require the use of fingers and hands, climbing, stooping, kneeling, crouching, crawling, reaching, pushing/pulling, lifting, grasping, and repetitive motions; vocal communication is required to express or exchange ideas and to convey detailed instructions to others; hearing is required to receive, understand, and respond to information; visual acuity is required for visual inspection involving small defects and/or small parts, use of measuring or testing devices, operation of machines or equipment, determining the accuracy and thoroughness of work, and observing general surroundings and activities. The employee is subject to both indoor and outdoor environmental conditions including extreme heat and cold, rain, snow, fumes, odors, dust, gases, oils, vibration, poor ventilation, wastewater, and hazards including exposure to chemicals, moving mechanical parts, electrical currents, work in narrow or confined spaces, and may be exposed to blood and other potentially infectious materials.