Across
- 2. how many cubic feet it takes to get a pound of air
- 4. half the diameter of a circle
- 6. heating ventilation and air conditioning
- 7. can be used in place of a scale ruler
- 9. a part of a number not the whole thing
- 10. to accurate size reduced down
- 13. cubic feet per min
- 14. length times width times height
Down
- 1. the distance all the way around a circle
- 2. size of the biggest scale ruler
- 3. duct calculator
- 5. reproduction of a technical drawing
- 8. size of the smallest scale ruler
- 11. double the radius of a circle
- 12. width times height