51�Թ�

The Trump administration already imposed tariffs on certain auto parts and imported aluminum and steel, materials that tech companies use to build data centers that store and manage computer hardware and equipment.

Along with gaseous reactive nitrogen, satellites burning up as they re-enter the atmosphere at the end of their lives leave tiny particles of aluminum oxide, imperilling the still-recovering ozone layer.

“We need lumber from Canada; appliances from Mexico; aluminum, steel, copper and furniture from China. All of those commodities and more were hit with the highest tax we’ve ever seen in yesterday’s announcement,” he said.

By mid-April, the official said the European Union would unveil its initial response on U.S. steel and aluminum exports, followed by a more comprehensive, “sector-by-sector” response rolled out by the end of the month.

On Tuesday, Trump and his aides signaled that a threatened massive escalation of tariffs on Canadian electricity, steel and aluminum would not take place; the Dow fell by about 478 points anyway.