In some extremely cold areas of various countries, power transmission is lost every year because a snowstorm freezes the cable. Let many cities into the paralysis without electricity. And the handling of ice has always been done manually, so it is hazardous to work in the cold high air.In some extremely cold areas of various countries, power transmission is lost every year because a snowstorm freezes the cable. Let many cities into the paralysis without electricity. And the handling of ice has always been done manually, so it is hazardous to work in the cold high air.
