Firefighter Candidate City of ElkhartFirefighter CandidateElkhart, IndianaPerformance of essential functions may require exposure to adverse environmental conditions including dirt, dust, pollen, odors, wetness, humidity, rain, fumes, temperature extremes, noise, machinery, vibrations, electric currents, traffic hazards, toxic agents, violence, disease or pathogenic substances. PHYSICAL, MENTAL, AND VISUAL SKILLS Ability to exert heavy to extremely heavy physical effort, though not constant, typically involving climbing and balancing, stooping, kneeling, crouching and crawling, and lifting, carrying, pushing and or pulling objects weighing 20 to 50 pounds.