Describing objects

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Across
  1. 4. has many different uses
  2. 5. helpful; good for a purpose
  3. 7. made at home, not factory-made
  4. 9. uses computer technology
  5. 10. powered by the sun
  6. 12. very modern; using advanced technology
  7. 13. uses electricity and technology
Down
  1. 1. works by itself, without human control
  2. 2. not new; used by someone else before
  3. 3. does not let water in
  4. 6. good for the environment
  5. 8. from nature; not artificial
  6. 10. uses technology to work intelligently
  7. 11. made from previously used materials