Nature11 天
Copper Smelting in Canada
THE Canadian Department of Mines has issuedan interesting report of some 184 pages, profusely illustrated, upon the copper smelting industries of Canada, from the pen of Dr. Alfred W. J.
Copper Tariffs Would Short-Circuit An Already Challenging U.S. Electrification Build-Out
If Trump is fixed on luring manufacturing investment stateside by erecting a tariff wall, he should at least exempt imports of critical minerals from those levies.