Construction

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Across
  1. 3. The person who works out the cost of the construction project
  2. 4. A bricklayers tool
  3. 5. The person who installs electrical components
  4. 8. The person who draws the construction plans
  5. 9. A yellow triangular sign
Down
  1. 1. A fire extinguisher to put out electrical fires
  2. 2. The Technology Head of Department
  3. 6. The best subject in the school
  4. 7. A blue sign with a white stripe
  5. 10. Technology's office number