Stained Glass Puzzle

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Across
  1. 4. score an inside _____ first
  2. 5. apply flux with a _____
  3. 7. _____ channel
  4. 8. _____ blades on pattern scissors
  5. 9. darkens solder and frame
  6. 12. zinc _____
  7. 16. masking _____
  8. 17. use running pliers to _____
  9. 18. eases soldering
Down
  1. 1. NEVER raise a glass sheet _____
  2. 2. soldering _____
  3. 3. "nibbling" pliers
  4. 4. foil ingredient
  5. 6. main ingredient of glass
  6. 8. solder ingredient
  7. 10. scratch glass
  8. 11. first make a _____
  9. 13. solder ingredient
  10. 14. horseshoe _____
  11. 15. raised shape of solder line