铜        238,125      40,750       17.11 
  铝      2,836,450     942,975       33.24 
  铅        187,325      94,500       50.45 
  镍        450,768     177,672       39.42 
  锡          5,980       1,040       17.39 
  锌        482,325      53,275       11.05 
铝合金       15,320          20        0.13