Answer Key: Self-Test B-5.3

  1. Closes
  2. Pressurized
  3. Internally (female)
  4. Externally (male)
  5. Leaks
  6. Striker
  7. A carburizing or reducing flame
  8. Yellow-red; blue
    • Neutral flame
    • Carburizing (reducing) flame
    • Oxidizing flame
  10. Acetylene

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