铜        209,950      38,125       18.16
  铝      2,793,650     757,600       27.12
  铅        206,075      95,900       46.54
  镍        438,306     158,514       36.17
  锡          4,085         670       16.40
  锌        497,825      88,800       17.84
铝合金       15,600          20        0.13