Occupational accidents

FILE - In this March 16, 2018 file photo crushed cars are shown under a section of a collapsed pedestrian bridge near Florida International University in the Miami area. A federal workplace safety agency says engineers had knowledge of extensive cracking and failed to order to close a street and shore up a pedestrian bridge before it collapsed and killed six people at a Miami university last year. On Tuesday, June 11, 2019 a report by the U.S. Occupational Safety and Health Administration concluded the size of the cracks warranted the street be shut down immediately. (AP Photo/Wilfredo Lee)

French unions members demonstrate at the start of the trial of French group France Telecom in front of the Paris' courthouse, Monday, May 6, 2019. French telecom giant Orange and seven former or current managers are going on trial accused of moral harassment over a wave of employee suicides a decade ago. (AP Photo/Thibault Camus)

Debris can be seen as emergency personnel and others search and clear the scene of an explosion and fire at AB Specialty Silicones chemical plant Saturday, May 4, 2019, in Waukegan, Ill. An explosion and fire at an Illinois silicone factory was believed to have killed three people, authorities said Saturday, as they recovered the body of one victim while suspending the search for the other two. (Erin Hooley/Chicago Tribune via AP)

Debris can be seen as emergency personnel and others search and clear the scene of an explosion and fire at AB Specialty Silicones chemical plant Saturday, May 4, 2019, in Waukegan, Ill. An explosion and fire at an Illinois silicone factory was believed to have killed three people, authorities said Saturday, as they recovered the body of one victim while suspending the search for the other two. (Erin Hooley/Chicago Tribune via AP)

Emergency personnel work at the scene of an explosion at AB Specialty Silicones on Sunset Ave. and Northwestern Ave. on the border between Gurnee, Ill., and Waukegan on Saturday, May 4, 2019. The explosion happened Friday night. (John Starks/Daily Herald via AP)

Debris can be seen as emergency personnel and others search and clear the scene of an explosion and fire at AB Specialty Silicones chemical plant Saturday, May 4, 2019, in Waukegan, Ill. An explosion and fire at an Illinois silicone factory was believed to have killed three people, authorities said Saturday, as they recovered the body of one victim while suspending the search for the other two. (Erin Hooley/Chicago Tribune via AP)

An iron cross bearing the numbers of Ironworkers Local union chapters from Portland and Seattle stands next to flowers, Monday, April 29, 2019, at a memorial on a median across the street from where a construction crane collapsed and fell Saturday, killing four people, two of whom were ironworkers. (AP Photo/Ted S. Warren)

In this aerial photo, firefighters battle a fire at the scene of an explosion in Durham, N.C. Wednesday, April 10, 2019. (Julie Wall/The News & Observer via AP)

This aerial photo shows firefighters spraying water on a fire at the KMCO chemical plant on Tuesday, April 2, 2019 in Crosby, Texas. Authorities say the fire has been contained at the plant near Houston and they have lifted an order that instructed residents within a 1-mile (1.6 kilometers) radius of the facility to stay indoors. (Elizabeth Conley/Houston Chronicle via AP)