Work involves frequent exposure to time pressures, frequent change of tasks, performing multiple tasks simultaneously, tedious, and exacting work, irregular work schedule and/ or overtime, noisy and/or distracting environment, working closely with others as part of a team, and on rare occasion's emergency situations. Work environment involves daily exposure to physical risks and hazards, such as working around mechanical equipment, mechanical hazards, forklifts, chemical hazards, electrical hazards, fire and explosives hazards, communicable diseases.