37 CHAPTER 6/FINAL CHAPTER } You have now completed the brake system i ^portion of NAPA's course in "Understanding j ^Automotive Systems." } You should now have a basic knowledge of the parts and workings of: The hydraulic brake system I Drum and disc brakes The parking brake Just as importantly, you should know some thing about common brake problems, what causes them and what can be done about them.

CHAPTER 4/THE FUEL SYSTEM 32 changed every 10,000 miles or at tune-up time.

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volume 10 Hcilional Safety Congrew Tramactiow FOOD & BEVERAGE; MEAT & LEATHER INDUSTRIES; TRADES & SERVICES ' [mom. 41Miivt safety couhcil 425 florth Michigan /Ivenue Chicago.

volume 19 national Safety Congren Traniactionj PETROLEUM MllOMl 54FETY COUHCIL 425 North Michigan /Ivenue Chicago, IL 60611 , d >N c cJ I o O D j5 Z < K1 2 s.

National Safety Congress Transactions National Safety Council 425 North Michigan Ave Chicago.

ACCIDENT PREVENTION MANUAL FOR INDUSTRIAL OPERATIONS NSC-60 ACCIDENT M PREVENTION MANUAL FOR INDUSTRIAL OPERATIONS ihcluding a statement of methods used in setting up a safety organization, of means used to enlist employee co-operation, and of materials and services offered by the National Safety Council.

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TUMORS OF THE MESENCHYMATOUS TISSUES 653 There exist a few reports on the experimental production of muscular neoplasms in animals by physical agents.

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TUMORS OF THE MESENCHYMATOUS TISSUES 693 active substances must become manifest within one year following cessation of work with these substances (Laborde).

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