Graphic Communications

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Across
  1. 4. The length of a line going through the middle of a circle
  2. 8. Line going up and down
  3. 10. Representing a 3-d shape on a 2-d plane
  4. 11. A drawing of industry
  5. 12. Light lines for details
  6. 13. Lines intersecting at 90 degrees
  7. 14. Projective drawing that includes a horizontal line
  8. 15. lines Lines side by side same in length
Down
  1. 1. A measurable extent of some kind
  2. 2. A line going left and right
  3. 3. Shape with 8 sides and 8 angles
  4. 5. Half of diameter
  5. 6. Triangle with equal sides
  6. 7. Projective drawing that has all lines parallel to 3 axes
  7. 9. Space between 2 intersecting lines