铜        178,575      45,675       25.58
  铝      2,872,425     582,175       20.27
  铅        169,450      67,700       39.95
  镍        426,798     138,684       32.49
  锡          3,770         420       11.14
  锌        464,250      63,700       13.72
铝合金       16,200          20        0.12