Metals and minerals industry

A fishing boat speeds past an oil tanker in the distance in Fujairah, United Arab Emirates, Saturday, June 15, 2019. The Kokuka Courageous, one of two oil tankers targeted in an apparent attack in the Gulf of Oman, was brought to the United Arab Emirates' eastern coast Saturday. (AP Photo/Jon Gambrell)

FILE - This Dec. 13, 2016, file photo, shows the former Anaconda smelter smokestack behind sculptures of miners at the Anaconda Smelter Stack State Park viewing area in Anaconda, Montana. Residents in the nearby community of Opportunity are suing to get the Atlantic Richfield Co. to do a more thorough cleanup of arsenic in residential yards. The Montana Supreme Court ruled in December 2017 that they could move forward with their 2008 lawsuit. Arco appealed, arguing a state lawsuit shouldn't be able to interfere with an ongoing cleanup. The U.S. Supreme Court said Monday, June 10, 2019, it will hear the appeal. (AP Photo/Matt Volz, File)

In this Tuesday, May 21, 2019 photo, provided by the U.S. Air Force, a U.S. B-52H Stratofortress, prepares to join up with Qatari Air Force Mirage 2000s and U.S. F-35A Lightning IIs to fly in formation over Southwest Asia to build military-to-military relationships, in an undisclosed location. The B-52H is part of the Bomber Task Force deployed to the U.S. Central Command area of responsibility to defend American forces and interests in the region. (Senior Airman Keifer Bowes/U.S. Air Force via AP)

In this Monday, May 20, 2019 photo, released by U.S. Navy, an F/A-18E Super Hornet from the "Jolly Rogers" of Strike Fighter Squadron (VFA) 103 launches from the flight deck of the Nimitz-class aircraft carrier USS Abraham Lincoln (CVN 72) on Arabian Sea. (Mass Communication Specialist 3rd Class Jeff Sherman/U.S. Navy via AP)

In this Sunday, May 19, 2019, photo released by the U.S. Navy, an MH-60S Sea Hawk helicopter from the "Nightdippers" of Helicopter Sea Combat Squadron 5 transports cargo from the fast combat support ship USNS Arctic to the Nimitz-class aircraft carrier USS Abraham Lincoln during a replenishment-at-sea in the Arabian Sea.(Mass Communication Specialist 3rd Class Jeff Sherman/U.S. Navy via AP)

ADDS LOCATION - In this Sunday, May 19, 2019, photo released by the U.S. Navy, the fast combat support ship USNS Arctic transports cargo to the Nimitz-class aircraft carrier USS Abraham Lincoln during a replenishment-at-sea in the Arabian Sea. (Mass Communication Specialist 3rd Class Jeff Sherman/U.S. Navy via AP)

President Donald Trump walks on the South Lawn as he leaves the White House in Washington, Monday, May 20, 2019, to attend a campaign rally in Montoursville, Pa. (AP Photo/Manuel Balce Ceneta)

Martin Tower, former world headquarters of Bethlehem Steel, implodes Sunday May 19, 2019 in Bethlehem, Pa. Crowds gathered to watch the demolition of the area's tallest building, a 21-story monolith that opened at the height of Bethlehem Steel's power and profitability but had stood vacant for a dozen years after America's second-largest steelmaker went out of business. (AP Photo/Jacqueline Larma)