All radiators are divided into two types according to their material: Copper (or an alloy of copper and brass). Such radiators have improved heat exchange due to the copper’s ability to warm up quickly. The disadvantage of using such an alloy is considerable weight and high cost. However, such radiators can be repaired. Aluminum.

The price of U.S. copper futures hit a record high after Mr. Trump told reporters at the White House that a 50 percent tariff on the metal was imminent. Later that day, ...

Some of that excess has been sent to warehouses approved by COMEX where copper stocks at 221,788 short tons or 201,203 metric tons as of July 7 have climbed by more than 127,000 short tons, or 135 ...