Incumbents may be subjected to moving mechanical parts, electrical currents, vibrations, fumes, odors, dusts, gases, poor ventilation, chemicals, oils, extreme temperatures, inadequate lighting, workspace restrictions, intense noises, travel and environmental conditions such as disruptive people, imminent danger or a threatening environment. In the event of an emergency and/or a required evacuation, the incumbent may be required to remain at work to provide needed services or perform essential duties for the benefit of the general public including services or duties different from those performed in the normal course and scope of the position.