Across
- 6. break off
- 8. mental moral strength power
- 10. wood joined by removing material
- 11. two piece wood 90 degree
- 13. sheet of steal joining steal
- 14. one that constantly changes
Down
- 1. engineer works on large structures
- 2. bracing with cross struts;ties
- 3. state of being stretched tight
- 4. two timbers halved together;flushed
- 5. the state of being twisted
- 7. increase in pressure
- 9. a mechanical force applied slowly
- 12. tall building
