Of all the basic raw materials needed for defense, none is more vital than copper—and none is scarcer. Into every B-47 bomber goes a ton of copper; even a 155-mm. howitzer takes more than half a ton ...
US President Donald Trump on Wednesday imposed a pared-back import tariff on copper that excluded the metal in its raw form from a 50-percent levy on semi-finished products.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback