Document JNMk5vyMnqNJkBaYxmqOdndX2

1 Q I assume from yourqualification or Page 2885 2 clarification of my question that the composition of 3 brake linings and brake pads changed somewhat over the 4 years; is that right? 5 A Yes, definitely. 6 Q Okay. Up through your career,did they 7 continue to consist in part of chrysotile asbestos? 8 A No. A combination of reasons starting about 9 mid '70s. Some semimetallic disc brake linings were 10 developed for disc brakes, particularly for the 11 police, taxicab, and medium truck market to generate 12 safe braking at higher temperatures and to control the 13 wear. 14 And starting around 1980 some materials came 15 out which were called NAO, nonasbestos organic 16 materials, in which a combination of other fibers were 17 used in place of chrysotile asbestos. 18 Q Well, let me ask you what may be a stupid 19 question, and I am sure you will let me know if it is, 20 but what is a semimetallic disc brake pad? 21 A Well, semimetallic, semi-resin bonded