Space Gass

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Across
  1. 2. Used to guide, help or build.
  2. 4. Competent way, minimum wasted effort.
  3. 7. To reduce to the smallest possible extent or degree.
  4. 11. Professional that works with toll.
  5. 12. To ascertain the extent, dimensions, quantity, capacity, etc.
  6. 13. The programs and other operating information used by a computer.
  7. 14. Examine or study something in detail.
  8. 16. It is the name of software.
  9. 17. Mathematical determination of the amount or number of something.
Down
  1. 1. The activity of making three-dimensional models.
  2. 3. To make the best or most efficient use of resources.
  3. 5. To resist or endure external forces, pressure, or adverse conditions without giving in or collapsing.
  4. 6. Make sure or demonstrate that (something) is true, accurate.
  5. 8. Addition, subtraction, multiplication, division, and exponentiation.
  6. 9. Provide description, careful examination.
  7. 10. Refers to the design, analysis, and construction of buildings, bridges.
  8. 15. Strength or energy.