Crane Hazards & Major Causes of Crane Accident EXCAVATION SAFETY HAZARDS & CONTROL Compressed gas cylinder safety Hazards can be classified as: Physical Hazards: Temperature, ionizing or non-ionizing radiation, excessive noise, electrical exposure, working from heights, and unguarded machinery. Mechanical Hazards: Protruding and moving parts. Chemical Hazards: These appear when a worker is exposed to chemicals in the workplace.. Biological Hazards: viruses, bacteria, fungus, parasites, and…