Potential hazards in the data center may be physical or health related, and a comprehensive hazard assessment should identify hazards in both categories. Examples of physical hazards include moving objects, fluctuating temperatures, high intensity lighting, rolling or pinching objects, electrical connections and sharp edges. Examples of health hazards include overexposure to harm levels of dust, chemicals or radiation. The outcome of the assessment should be documented to be used as input to a comprehensive safety and health program.