Respuesta :
Answer: Flying objects, falling objects, swinging objects and rolling objects
Explanation: The four common types of struck by hazard are: Struck-by Flying objects, Struck-by falling objects, Struck-by swinging objects and Struck-by rolling objects. Struck-by hazard occur when a worker comes into forcible contact with a flying, falling, swinging or rolling object. However, these type of hazard continue to cause many fatalities and serious injuries every year and some even leads to the eventual death of construction workers. A struck by hazard is caused by forcible contact or impact between the injured person and an object or piece of equipment.