Occupational accidents

Smoke from an explosion at the TPC Group plant is seen Wednesday, Nov. 27, 2019, in Port Neches, Texas. Two massive explosions 13 hours apart tore through the chemical plant Wednesday, and one left several workers injured. (Marie D. De Jesús/Houston Chronicle via AP)

Smoke from an explosion at the TPC Group plant is seen Wednesday, Nov. 27, 2019, in Port Neches, Texas. Two massive explosions 13 hours apart tore through the chemical plant Wednesday, and one left several workers injured. (Marie D. De Jesús/Houston Chronicle via AP)

Thick smoke fills the sky above the TPC plant Wednesday, Nov. 27, 2019, in Port Neches, Texas. Three workers were injured early Wednesday in a massive explosion at the Texas chemical plant that also blew out the windows and doors of nearby homes. (Kim Brent/The Beaumont Enterprise via AP)

Secretary of State Mike Pompeo stands in the Oval Office of the White House as President Donald Trump meets with Bulgarian Prime Minister Boyko Borissov, Monday, Nov. 25, 2019, in Washington. (AP Photo/Patrick Semansky)

FILE - In this Aug. 20, 2019 file photo, Scott Hapgood, right, a U.S. financial adviser charged with killing a hotel worker while on vacation in Anguilla, and his lawyer Juliya Arbisman, left, hold a media conference in New York. Hapgood declined to return to the British Caribbean territory for the latest pretrial hearing on Monday, Nov. 11, and Anguilla officials rejected an offer that he appear by video link for the hearing. (AP Photo/Bebeto Matthews, File)

FILE - In this April 16, 2019, file photo, a woman exhales a puff of vapor from a Juul pen in Vancouver, Wash. A former Juul Labs executive is alleging that the vaping company knowingly shipped 1 million tainted nicotine pods to customers. The allegation comes in a lawsuit filed Tuesday, Oct. 29, by a former finance executive who was fired by the vaping giant earlier this year. (AP Photo/Craig Mitchelldyer, File)

FILE - In this June 21, 2019 file photo, flames and smoke emerge from the Philadelphia Energy Solutions Refining Complex in Philadelphia. Federal investigators say an aging, failed elbow pipe appears to be the cause of the June fire and subsequent explosions that left five people with minor injuries and destroyed part of the processing unit at the largest oil refinery on the East Coast. The U.S. Chemical Safety and Hazard Investigation Board released a preliminary report Wednesday, Oct. 16 on findings from the June 21 explosion at the Philadelphia Energy Solutions Refining Complex. (AP Photo/Matt Rourke, File)

Medals are pictured on a coffin one of the four victims of last week's knife attack during a ceremony in the courtyard of the Paris police headquarters Tuesday, Oct. 8, 2019 in Paris. France's presidency says the four victims of last week's knife attack at the Paris police headquarters will be posthumously given France's highest award, the Legion of Honor. (AP Photo/Francois Mori)

Paris prosecutor Jean-François Ricard gives a press conference at the Paris courthouse, France, Saturday Oct. 5, 2019. French prosecutors opened an investigation Friday that treats the fatal knife attack that a civilian employee carried out at Paris police headquarters as a potential act of terrorism. The longtime police employee stabbed four colleagues to death Thursday before he was shot and killed. (AP Photo/Rafael Yaghobzadeh)

Authorities work the scene where at least four people were killed in a tour bus crash near Bryce Canyon National Park, Friday, Sept. 20, 2019, in Utah. (Spenser Heaps/The Deseret News via AP)