America, Britain and Germany led steel-making until the 1970s, when Japan and South Korea emerged as the most efficient producers in a world reeling from the first oil shock.

• 一直到二十世纪七十年代，美国、英国和德国都在钢铁产量上领先全球。自从全世界经历了第一次石油危机后，日本和南韩作为效率最高的钢铁生产国而崛起。