51.   For years, asbestos fibers used for insulation and fire protection have been linked to lung cancer.

a. + fiber >>共 275
synthetic 8.56%
asbestos 6.42%
natural 5.67%
dietary 4.28%
wood 3.90%
moral 3.53%
soluble 3.15%
new 2.39%
polyester 2.14%
insoluble 1.64%
asbestos + n. >>共 125
fiber 9.68%
exposure 5.69%
claim 5.69%
litigation 5.50%
removal 4.93%
industry 3.23%
contamination 3.23%
case 3.23%
abatement 2.66%
victim 2.47%
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