Mathematical terms

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Across
  1. 2. Process of making goods
  2. 5. Roads and bridges are part of this
  3. 7. An angle less than 90°
  4. 8. Mathematical figure used in plotting
Down
  1. 1. Machine precision depends on this mathematical branch
  2. 3. Connecting points in design
  3. 4. Measurement of land
  4. 6. A building block of industry