Manufacturing and technology

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Across
  1. 3. what a company sells
  2. 4. sb’s area of special knowledge
  3. 5. the reverse of import
  4. 7. to check if the piece is ok, you do a (2words)
  5. 9. the use of science in industry
  6. 10. do not work either (3 words)
  7. 13. & Development
  8. 17. a detailed plan of work to be carried out
  9. 18. what a trader do
  10. 20. material what a company need to do products (2words)
  11. 21. a part to replace a broken one
Down
  1. 1. do not work
  2. 2. a line of workers and machine
  3. 5. motor
  4. 6. things that help workers to create from raw material
  5. 8. factory
  6. 11. a scientific method for testing an idea
  7. 12. a rule or law
  8. 14. conception
  9. 15. dangerous
  10. 16. where scientist make experiments
  11. 19. the reverse of export