Across
- 1. restore dope coating
- 3. routed for weight reduction
- 8. plywood skin patches
- 10. no external bracing
- 11. french fell seam
- 13. dope proofing
- 14. reflected by aluminum pigment
- 15. over stressed failure
- 16. phosphoric acid
- 19. strength classification
- 20. adverse humidity, drafts, temp change
Down
- 1. slows
- 2. chemical resistant top coat
- 4. stitch for two legs
- 5. socks on carpet
- 6. any form or amount not permitted
- 7. for added wear resistance
- 9. removes grease
- 12. unhydrated wash primer
- 17. too much
- 18. unaffected by chemicals and moisture