Requires frequent walking, standing, sitting, bending, reaching, stooping, kneeling, crouching, feeling, talking, hearing and moderate (exerting/lifting up to 50 pounds occasionally, up to 20 pounds frequently, or up to 10 pounds constantly) to heavy lifting (exerting/lifting up to 100 pounds occasionally, up to 50 pounds frequently or up to 20 pounds constantly) of clients and equipment. Subject to inside environmental conditions (protection from weather conditions but not necessarily from temperature change) and to atmospheric conditions (one or more of the following conditions that affect the respiratory system or the skin: fumes, odors, dust, mists, gases or poor ventilation).