Metals and minerals industry

President Donald Trump, left, walks with House Majority Leader Kevin McCarthy of Calif., right, as he leaves the U.S. Capitol in Washington after meeting with Republican leadership, Tuesday, June 19, 2018. Walking behind them is White House Chief of Staff John Kelly. (AP Photo/Pablo Martinez Monsivais)

FILE - In this Thursday, Sept. 21, 2006 file photo, Geraldine McCaughrean, author of the Peter Pan sequel 'Peter Pan In Scarlet' talks to AP reporter at her home in Great Shefford, Berkshire. British writer Geraldine McCaughrean has won the prestigious Carnegie Medal for children's literature for "Where the World Ends." McCaughrean was named winner Monday, June 18, 2018 for her novel about two Scottish boys marooned at sea. She previously won the prize, chosen by children’s librarians, in 1988. (AP Photo/Sang Tan, File)

This July 10, 2016 file photo shows millionaire Brexit campaigner Arron Banks in London. The chairman of the British Parliament's media committee says a millionaire backer of the successful campaign to leave the European Union has questions to answer about his contacts with Russian officials. Damian Collins says the Culture, Media and Sport Committee plans to question Arron Banks about a report in the Sunday Times on Sunday, June 10, 2018 that he had undisclosed meetings with Russian officials around the time of the June 2016 referendum on EU membership. (Jonathan Brady/PA via AP, file)

Roger Parrish and Diane Johnson, right, rally outside the Capitol in Phoenix, Wednesday, June 6, 2018. Hundreds of Navajo Generating Station employees, relatives and union and tribal leaders rallied at the state Capitol in Phoenix on Wednesday to request a 90-day pause in steps to close the coal-fueled plant by the end of 2019 as scheduled. (AP Photo/Matt York)

French Finance Minister Bruno Le Maire, left, welcomes US Secretary of Commerce Wilbur Ross prior to their meeting at French Economy Ministry in Paris, France, Thursday, May 31, 2018. U.S. tariffs on European steel and aluminum imports are expected after Trump administration's failure to win concessions from EU. (AP Photo/Francois Mori)

FILE - In this Thursday, April 29, 2010 file photo, a pair of coal trains idle on the tracks near Dry Fork Station, a coal-fired power plant being built by the Basin Electric Power Cooperative near Gillette, Wyo. Republican lawmakers from Western states and industry executives on Thursday, May 31, 2018, accused Washington state officials of unfairly blocking fossil fuel projects and dictating winners and losers among U.S. companies seeking to export products to Asia. (AP Photo/Matthew Brown, File)

French President Emmanuel Macron delivers a speech at the OECD ministerial council meeting on "Refounding Multilateralism" in Paris, France, Wednesday, May 30, 2018. Macron warned against trade wars in an impassioned speech about international cooperation Wednesday, two days before the Trump administration decides whether to hit Europe with punishing new tariffs. (Philippe Wojazer/Pool Photo via AP)