Standing, balancing, walking, climbing ladders or equipment, reaching above shoulder or out in front, manual dexterity, pushing, pulling, kneeling, bending, seeing, hearing and occasionally lowering self into confined spaces, crawling through small openings and working in reclined positions, as needed. Exposure to fumes, odors, dust, gases, various climates and temperatures, and low ventilation conditions, all of which can cause discomfort and/or respiratory difficulties.