铜        328,525      45,175       13.75 
  铝      2,216,175     922,025       41.60 
  铅        187,225      67,300       35.95 
  镍        367,758     112,434       30.57 
  锡          4,460       1,685       37.78 
  锌        450,500      21,825        4.84 
铝合金       11,680          20        0.17