Read the Following Scenario and Answer Questions

Read the following scenario and answer questions.
On Friday August 23, 2013, a construction worker fell 55 floors to his death while working on what will become Toronto's tallest condominium building. Despite a variety of safety precautions, this type of incident is not uncommon in the construction industry. Three days earlier, on Tuesday August 20, 2013, a 26-year-old construction worker in Las Vegas, Nevada also died in a fall from
a building under construction.
-Training records and maintenance/production schedules may offer the investigator some valuable insights about an incident.