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"Disruptions in supply would cause difficulty in maintaining production," Wang said.

"Despite positive impacts of US tax reform on new helicopter purchase plans in North America, an inconsistent economic outlook for international markets has resulted in lower purchase plans worldwide from fleet managers when compared with a year ago," said Heath Patrick, president for Americas Aftermarket of Honeywell Aerospace.

"Efficiency means profit. And what's happening at Big River Steel is our prospect," said Zhang.

"Despite repeated promises to its billions of users worldwide that they could control how personal information is shared Facebook undermined consumers' choices," FTC Chairman Joe Simons, a Republican, said in a statement.

"Democrats basically argued Trump is incompetent and completely mismanaged COVID and the economy ... Republicans are focused on law and order and say Biden will be an ultra-liberal who will take America in a dangerous direction," said Darrell West, vice president and director of Governance Studies at the Brookings Institution, a Washington, DC-based think tank.